OpenJDK 27 · javax.swing.table.DefaultTableModel · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
protected Vector<E>	columnIdentifiers The `Vector` of column identifiers.
protected Vector<Vector<E>>	dataVector The `Vector` of `Vectors` of `Object` values.

Access	Constructor and Description
public	DefaultTableModel() Constructs a default `DefaultTableModel` which is a table of zero columns and zero rows.
public	DefaultTableModel(int the number of rows the table holds rowCount, int the number of columns the table holds columnCount) Constructs a `DefaultTableModel` with `rowCount` and `columnCount` of `null` object values.
public	DefaultTableModel(Vector<?> `vector` containing the names of the new columns; if this is `null` then the model has no columns columnNames, int the number of rows the table holds rowCount) Constructs a `DefaultTableModel` with as many columns as there are elements in `columnNames` and `rowCount` of `null` object values.
public	DefaultTableModel(Object[] `array` containing the names of the new columns; if this is `null` then the model has no columns columnNames, int the number of rows the table holds rowCount) Constructs a `DefaultTableModel` with as many columns as there are elements in `columnNames` and `rowCount` of `null` object values.
public	DefaultTableModel(Vector<? extends Vector<E>> the data of the table, a `Vector` of `Vector`s of `Object` values data, Vector<?> `vector` containing the names of the new columns columnNames) Constructs a `DefaultTableModel` and initializes the table by passing `data` and `columnNames` to the `setDataVector` method.
public	DefaultTableModel(Object[][] the data of the table data, Object[] the names of the columns columnNames) Constructs a `DefaultTableModel` and initializes the table by passing `data` and `columnNames` to the `setDataVector` method.

Method Summary

Modifier and Type	Method and Description
public void	addColumn(Object the identifier of the column being added columnName) Adds a column to the model.
public void	addColumn(Object the identifier of the column being added columnName, Vector<?> optional data of the column being added columnData) Adds a column to the model.
public void	addColumn(Object identifier of the newly created column columnName, Object[] new data to be added to the column columnData) Adds a column to the model.
public void	addRow(Vector<?> optional data of the row being added rowData) Adds a row to the end of the model.
public void	addRow(Object[] optional data of the row being added rowData) Adds a row to the end of the model.
protected static Vector<Object>	Returns: the new vector; if `anArray` is `null`, returns `null` convertToVector(Object[] the array to be converted anArray) Returns a vector that contains the same objects as the array.
protected static Vector<Vector<Object>>	Returns: the new vector of vectors; if `anArray` is `null`, returns `null` convertToVector(Object[][] the double array to be converted anArray) Returns a vector of vectors that contains the same objects as the array.
private static int	gcd(int i, int j)
public int	Returns: the number of columns in the model getColumnCount() Implements javax.swing.table.TableModel.getColumnCount. Returns the number of columns in this data table.
public String	Returns: a name for this column using the string value of the appropriate member in `columnIdentifiers`. If `columnIdentifiers` does not have an entry for this index, returns the default name provided by the superclass. getColumnName(int column) Overrides javax.swing.table.AbstractTableModel.getColumnName. Implements javax.swing.table.TableModel.getColumnName. Returns the column name.
public Vector<Vector<E>>	Returns: the vector of vectors containing the tables data values getDataVector() Returns the `Vector` of `Vectors` that contains the table's data values.
public int	Returns: the number of rows in the model getRowCount() Implements javax.swing.table.TableModel.getRowCount. Returns the number of rows in this data table.
public Object	Returns: the value Object at the specified cell getValueAt(int the row whose value is to be queried row, int the column whose value is to be queried column) Implements javax.swing.table.TableModel.getValueAt. Returns an attribute value for the cell at `row` and `column`.
public void	insertRow(int the row index of the row to be inserted row, Vector<?> optional data of the row being added rowData) Inserts a row at `row` in the model.
public void	insertRow(int the row index of the row to be inserted row, Object[] optional data of the row being added rowData) Inserts a row at `row` in the model.
public boolean	Returns: true isCellEditable(int the row whose value is to be queried row, int the column whose value is to be queried column) Overrides javax.swing.table.AbstractTableModel.isCellEditable. Implements javax.swing.table.TableModel.isCellEditable. Returns true regardless of parameter values.
private void	justifyRows(int from, int to)
public void	moveRow(int the starting row index to be moved start, int the ending row index to be moved end, int the destination of the rows to be moved to) Moves one or more rows from the inclusive range `start` to `end` to the `to` position in the model.
public void	newDataAvailable(TableModelEvent the change event event) Equivalent to `fireTableChanged`.
public void	newRowsAdded(TableModelEvent this `TableModelEvent` describes where the rows were added. If `null` it assumes all the rows were newly added e) Ensures that the new rows have the correct number of columns.
private static <E> Vector<E>	newVector(int size)
private static <E> Vector<E>	nonNullVector(Vector<E> v)
public void	removeRow(int the row index of the row to be removed row) Removes the row at `row` from the model.
private static <E> void	rotate(Vector<E> v, int a, int b, int shift)
public void	rowsRemoved(TableModelEvent the change event event) Equivalent to `fireTableChanged`.
public void	setColumnCount(int the new number of columns in the model columnCount) Sets the number of columns in the model.
public void	setColumnIdentifiers(Vector<?> vector of column identifiers. If `null`, set the model to zero columns columnIdentifiers) Replaces the column identifiers in the model.
public void	setColumnIdentifiers(Object[] array of column identifiers. If `null`, set the model to zero columns newIdentifiers) Replaces the column identifiers in the model.
public void	setDataVector(Vector<? extends Vector<E>> the new data vector dataVector, Vector<?> the names of the columns columnIdentifiers) Replaces the current `dataVector` instance variable with the new `Vector` of rows, `dataVector`.
public void	setDataVector(Object[][] the new data vector dataVector, Object[] the names of the columns columnIdentifiers) Replaces the value in the `dataVector` instance variable with the values in the array `dataVector`.
public void	setNumRows(int the new number of rows rowCount) Obsolete as of Java 2 platform v1.3.
public void	setRowCount(int number of rows in the model rowCount) Sets the number of rows in the model.
public void	setValueAt(Object the new value; this can be null aValue, int the row whose value is to be changed row, int the column whose value is to be changed column) Overrides javax.swing.table.AbstractTableModel.setValueAt. Implements javax.swing.table.TableModel.setValueAt. Sets the object value for the cell at `column` and `row`.

Inherited from javax.swing.table.AbstractTableModel:: addTableModelListener findColumn fireTableCellUpdated fireTableChanged fireTableDataChanged fireTableRowsDeleted fireTableRowsInserted fireTableRowsUpdated fireTableStructureChanged getColumnClass getListeners getTableModelListeners removeTableModelListener

Field Detail

columnIdentifiers	back to summary
protected Vector<E> columnIdentifiers The `Vector` of column identifiers. Annotations @SuppressWarnings:rawtypes

dataVector	back to summary
protected Vector<Vector<E>> dataVector The `Vector` of `Vectors` of `Object` values. Annotations @SuppressWarnings:rawtypes

Constructor Detail

DefaultTableModel	back to summary
public DefaultTableModel() Constructs a default `DefaultTableModel` which is a table of zero columns and zero rows.

DefaultTableModel back to summary

DefaultTableModel	back to summary
public DefaultTableModel(int rowCount, int columnCount) Constructs a `DefaultTableModel` with `rowCount` and `columnCount` of `null` object values. Parameters rowCount:int the number of rows the table holds columnCount:int the number of columns the table holds See Also `setValueAt`

public DefaultTableModel(int rowCount, int columnCount)

Constructs a DefaultTableModel with rowCount and columnCount of null object values.

Parameters

rowCount:int: the number of rows the table holds
columnCount:int: the number of columns the table holds

See Also

setValueAt

DefaultTableModel back to summary

DefaultTableModel	back to summary
public DefaultTableModel(Vector<?> columnNames, int rowCount) Constructs a `DefaultTableModel` with as many columns as there are elements in `columnNames` and `rowCount` of `null` object values. Each column's name will be taken from the `columnNames` vector. Parameters columnNames:Vector<?> `vector` containing the names of the new columns; if this is `null` then the model has no columns rowCount:int the number of rows the table holds See Also `setDataVector`, `setValueAt`

public DefaultTableModel(Vector<?> columnNames, int rowCount)

Constructs a DefaultTableModel with as many columns as there are elements in columnNames and rowCount of null object values. Each column's name will be taken from the columnNames vector.

Parameters

columnNames:Vector<?>: vector containing the names of the new columns; if this is null then the model has no columns
rowCount:int: the number of rows the table holds

See Also

setDataVector, setValueAt

DefaultTableModel back to summary

DefaultTableModel	back to summary
public DefaultTableModel(Object[] columnNames, int rowCount) Constructs a `DefaultTableModel` with as many columns as there are elements in `columnNames` and `rowCount` of `null` object values. Each column's name will be taken from the `columnNames` array. Parameters columnNames:Object[] `array` containing the names of the new columns; if this is `null` then the model has no columns rowCount:int the number of rows the table holds See Also `setDataVector`, `setValueAt`

public DefaultTableModel(Object[] columnNames, int rowCount)

Constructs a DefaultTableModel with as many columns as there are elements in columnNames and rowCount of null object values. Each column's name will be taken from the columnNames array.

Parameters

columnNames:Object[]: array containing the names of the new columns; if this is null then the model has no columns
rowCount:int: the number of rows the table holds

See Also

setDataVector, setValueAt

DefaultTableModel back to summary

DefaultTableModel	back to summary
public DefaultTableModel(Vector<? extends Vector<E>> data, Vector<?> columnNames) Constructs a `DefaultTableModel` and initializes the table by passing `data` and `columnNames` to the `setDataVector` method. Parameters data:Vector<? extends Vector<E>> the data of the table, a `Vector` of `Vector`s of `Object` values columnNames:Vector<?> `vector` containing the names of the new columns Annotations @SuppressWarnings:rawtypes See Also `getDataVector`, `setDataVector`

public DefaultTableModel(Vector<? extends Vector<E>> data, Vector<?> columnNames)

Constructs a DefaultTableModel and initializes the table by passing data and columnNames to the setDataVector method.

Parameters

data:Vector<? extends Vector<E>>: the data of the table, a Vector of Vectors of Object values
columnNames:Vector<?>: vector containing the names of the new columns

Annotations

@SuppressWarnings:rawtypes

See Also

getDataVector, setDataVector

DefaultTableModel back to summary

DefaultTableModel	back to summary
public DefaultTableModel(Object[][] data, Object[] columnNames) Constructs a `DefaultTableModel` and initializes the table by passing `data` and `columnNames` to the `setDataVector` method. The first index in the `Object[][]` array is the row index and the second is the column index. Parameters data:Object[][] the data of the table columnNames:Object[] the names of the columns See Also `getDataVector`, `setDataVector`

public DefaultTableModel(Object[][] data, Object[] columnNames)

Constructs a DefaultTableModel and initializes the table by passing data and columnNames to the setDataVector method. The first index in the Object[][] array is the row index and the second is the column index.

Parameters

data:Object[][]: the data of the table
columnNames:Object[]: the names of the columns

See Also

getDataVector, setDataVector

Method Detail

addColumn back to summary

addColumn	back to summary
public void addColumn(Object columnName) Adds a column to the model. The new column will have the identifier `columnName`, which may be null. This method will send a `tableChanged` notification message to all the listeners. This method is a cover for `addColumn(Object, Vector)` which uses `null` as the data vector. Parameters columnName:Object the identifier of the column being added

public void addColumn(Object columnName)

Adds a column to the model. The new column will have the identifier columnName, which may be null. This method will send a tableChanged notification message to all the listeners. This method is a cover for addColumn(Object, Vector) which uses null as the data vector.

Parameters

columnName:Object: the identifier of the column being added

addColumn back to summary

addColumn	back to summary
public void addColumn(Object columnName, Vector<?> columnData) Adds a column to the model. The new column will have the identifier `columnName`, which may be null. `columnData` is the optional vector of data for the column. If it is `null` the column is filled with `null` values. Otherwise, the new data will be added to model starting with the first element going to row 0, etc. This method will send a `tableChanged` notification message to all the listeners. Parameters columnName:Object the identifier of the column being added columnData:Vector<?> optional data of the column being added Annotations @SuppressWarnings:unchecked

public void addColumn(Object columnName, Vector<?> columnData)

Adds a column to the model. The new column will have the identifier columnName, which may be null. columnData is the optional vector of data for the column. If it is null the column is filled with null values. Otherwise, the new data will be added to model starting with the first element going to row 0, etc. This method will send a tableChanged notification message to all the listeners.

Parameters

columnName:Object: the identifier of the column being added
columnData:Vector<?>: optional data of the column being added

Annotations

@SuppressWarnings:unchecked

addColumn back to summary

addColumn	back to summary
public void addColumn(Object columnName, Object[] columnData) Adds a column to the model. The new column will have the identifier `columnName`. `columnData` is the optional array of data for the column. If it is `null` the column is filled with `null` values. Otherwise, the new data will be added to model starting with the first element going to row 0, etc. This method will send a `tableChanged` notification message to all the listeners. Parameters columnName:Object identifier of the newly created column columnData:Object[] new data to be added to the column See Also `addColumn(Object, Vector)`

public void addColumn(Object columnName, Object[] columnData)

Adds a column to the model. The new column will have the identifier columnName. columnData is the optional array of data for the column. If it is null the column is filled with null values. Otherwise, the new data will be added to model starting with the first element going to row 0, etc. This method will send a tableChanged notification message to all the listeners.

Parameters

columnName:Object: identifier of the newly created column
columnData:Object[]: new data to be added to the column

See Also

addColumn(Object, Vector)

addRow back to summary

addRow	back to summary
public void addRow(Vector<?> rowData) Adds a row to the end of the model. The new row will contain `null` values unless `rowData` is specified. Notification of the row being added will be generated. Parameters rowData:Vector<?> optional data of the row being added

public void addRow(Vector<?> rowData)

Adds a row to the end of the model. The new row will contain null values unless rowData is specified. Notification of the row being added will be generated.

Parameters

rowData:Vector<?>: optional data of the row being added

addRow back to summary

addRow	back to summary
public void addRow(Object[] rowData) Adds a row to the end of the model. The new row will contain `null` values unless `rowData` is specified. Notification of the row being added will be generated. Parameters rowData:Object[] optional data of the row being added

public void addRow(Object[] rowData)

Adds a row to the end of the model. The new row will contain null values unless rowData is specified. Notification of the row being added will be generated.

Parameters

rowData:Object[]: optional data of the row being added

convertToVector back to summary

convertToVector	back to summary
protected static Vector<Object> convertToVector(Object[] anArray) Returns a vector that contains the same objects as the array. Parameters anArray:Object[] the array to be converted Returns:Vector<Object> the new vector; if `anArray` is `null`, returns `null`

protected static Vector<Object> convertToVector(Object[] anArray)

Returns a vector that contains the same objects as the array.

Parameters

anArray:Object[]: the array to be converted

Returns:Vector<Object>

the new vector; if anArray is null, returns null

convertToVector back to summary

convertToVector	back to summary
protected static Vector<Vector<Object>> convertToVector(Object[][] anArray) Returns a vector of vectors that contains the same objects as the array. Parameters anArray:Object[][] the double array to be converted Returns:Vector<Vector<Object>> the new vector of vectors; if `anArray` is `null`, returns `null`

protected static Vector<Vector<Object>> convertToVector(Object[][] anArray)

Returns a vector of vectors that contains the same objects as the array.

Parameters

anArray:Object[][]: the double array to be converted

Returns:Vector<Vector<Object>>

the new vector of vectors; if anArray is null, returns null

gcd	back to summary
private static int gcd(int i, int j)

getColumnCount	back to summary
public int getColumnCount() Implements javax.swing.table.TableModel.getColumnCount. Returns the number of columns in this data table. Returns:int the number of columns in the model

getColumnCount

back to summary

public int getColumnCount()

Implements javax.swing.table.TableModel.getColumnCount.

Returns the number of columns in this data table.

Returns:int: the number of columns in the model

getColumnName back to summary

getColumnName	back to summary
public String getColumnName(int column) Overrides javax.swing.table.AbstractTableModel.getColumnName. Implements javax.swing.table.TableModel.getColumnName. Returns the column name. Returns:String a name for this column using the string value of the appropriate member in `columnIdentifiers`. If `columnIdentifiers` does not have an entry for this index, returns the default name provided by the superclass.

public String getColumnName(int column)

Overrides javax.swing.table.AbstractTableModel.getColumnName.

Implements javax.swing.table.TableModel.getColumnName.

Returns the column name.

Returns:String: a name for this column using the string value of the appropriate member in columnIdentifiers. If columnIdentifiers does not have an entry for this index, returns the default name provided by the superclass.

getDataVector back to summary

getDataVector	back to summary
public Vector<Vector<E>> getDataVector() Returns the `Vector` of `Vectors` that contains the table's data values. The vectors contained in the outer vector are each a single row of values. In other words, to get to the cell at row 1, column 5: `((Vector)getDataVector().elementAt(1)).elementAt(5);` Returns:Vector<Vector<E>> the vector of vectors containing the tables data values Annotations @SuppressWarnings:rawtypes See Also `newDataAvailable`, `newRowsAdded`, `setDataVector`

public Vector<Vector<E>> getDataVector()

Returns the Vector of Vectors that contains the table's data values. The vectors contained in the outer vector are each a single row of values. In other words, to get to the cell at row 1, column 5:

((Vector)getDataVector().elementAt(1)).elementAt(5);

Returns:Vector<Vector<E>>

the vector of vectors containing the tables data values

Annotations

@SuppressWarnings:rawtypes

getRowCount	back to summary
public int getRowCount() Implements javax.swing.table.TableModel.getRowCount. Returns the number of rows in this data table. Returns:int the number of rows in the model

getRowCount

back to summary

public int getRowCount()

Implements javax.swing.table.TableModel.getRowCount.

Returns the number of rows in this data table.

Returns:int: the number of rows in the model

getValueAt back to summary

getValueAt	back to summary
public Object getValueAt(int row, int column) Implements javax.swing.table.TableModel.getValueAt. Returns an attribute value for the cell at `row` and `column`. Parameters row:int the row whose value is to be queried column:int the column whose value is to be queried Returns:Object the value Object at the specified cell Exceptions ArrayIndexOutOfBoundsException: if an invalid row or column was given

public Object getValueAt(int row, int column)

Implements javax.swing.table.TableModel.getValueAt.

Returns an attribute value for the cell at row and column.

Parameters

row:int: the row whose value is to be queried
column:int: the column whose value is to be queried

Returns:Object

the value Object at the specified cell

Exceptions

ArrayIndexOutOfBoundsException:: if an invalid row or column was given

insertRow back to summary

insertRow	back to summary
public void insertRow(int row, Vector<?> rowData) Inserts a row at `row` in the model. The new row will contain `null` values unless `rowData` is specified. Notification of the row being added will be generated. Parameters row:int the row index of the row to be inserted rowData:Vector<?> optional data of the row being added Exceptions ArrayIndexOutOfBoundsException: if the row was invalid

public void insertRow(int row, Vector<?> rowData)

Inserts a row at row in the model. The new row will contain null values unless rowData is specified. Notification of the row being added will be generated.

Parameters

row:int: the row index of the row to be inserted
rowData:Vector<?>: optional data of the row being added

Exceptions

ArrayIndexOutOfBoundsException:: if the row was invalid

insertRow back to summary

insertRow	back to summary
public void insertRow(int row, Object[] rowData) Inserts a row at `row` in the model. The new row will contain `null` values unless `rowData` is specified. Notification of the row being added will be generated. Parameters row:int the row index of the row to be inserted rowData:Object[] optional data of the row being added Exceptions ArrayIndexOutOfBoundsException: if the row was invalid

public void insertRow(int row, Object[] rowData)

Inserts a row at row in the model. The new row will contain null values unless rowData is specified. Notification of the row being added will be generated.

Parameters

row:int: the row index of the row to be inserted
rowData:Object[]: optional data of the row being added

Exceptions

ArrayIndexOutOfBoundsException:: if the row was invalid

isCellEditable back to summary

isCellEditable	back to summary
public boolean isCellEditable(int row, int column) Overrides javax.swing.table.AbstractTableModel.isCellEditable. Implements javax.swing.table.TableModel.isCellEditable. Returns true regardless of parameter values. Parameters row:int the row whose value is to be queried column:int the column whose value is to be queried Returns:boolean true See Also `setValueAt`

public boolean isCellEditable(int row, int column)

Overrides javax.swing.table.AbstractTableModel.isCellEditable.

Implements javax.swing.table.TableModel.isCellEditable.

Returns true regardless of parameter values.

Parameters

row:int: the row whose value is to be queried
column:int: the column whose value is to be queried

Returns:boolean

true

See Also

setValueAt

justifyRows	back to summary
private void justifyRows(int from, int to)

moveRow back to summary

moveRow	back to summary
public void moveRow(int start, int end, int to) Moves one or more rows from the inclusive range `start` to `end` to the `to` position in the model. After the move, the row that was at index `start` will be at index `to`. This method will send a `tableChanged` notification message to all the listeners. Examples of moves: 1. moveRow(1,3,5); a\|B\|C\|D\|e\|f\|g\|h\|i\|j\|k - before a\|e\|f\|g\|h\|B\|C\|D\|i\|j\|k - after 2. moveRow(6,7,1); a\|b\|c\|d\|e\|f\|G\|H\|i\|j\|k - before a\|G\|H\|b\|c\|d\|e\|f\|i\|j\|k - after Parameters start:int the starting row index to be moved end:int the ending row index to be moved to:int the destination of the rows to be moved Exceptions ArrayIndexOutOfBoundsException: if any of the elements would be moved out of the table's range

public void moveRow(int start, int end, int to)

Moves one or more rows from the inclusive range start to end to the to position in the model. After the move, the row that was at index start will be at index to. This method will send a tableChanged notification message to all the listeners.

 Examples of moves:

 1. moveRow(1,3,5);
         a|B|C|D|e|f|g|h|i|j|k   - before
         a|e|f|g|h|B|C|D|i|j|k   - after

 2. moveRow(6,7,1);
         a|b|c|d|e|f|G|H|i|j|k   - before
         a|G|H|b|c|d|e|f|i|j|k   - after

Parameters

start:int: the starting row index to be moved
end:int: the ending row index to be moved
to:int: the destination of the rows to be moved

Exceptions

ArrayIndexOutOfBoundsException:: if any of the elements would be moved out of the table's range

newDataAvailable back to summary

newDataAvailable	back to summary
public void newDataAvailable(TableModelEvent event) Equivalent to `fireTableChanged`. Parameters event:TableModelEvent the change event

public void newDataAvailable(TableModelEvent event)

Equivalent to fireTableChanged.

Parameters

event:TableModelEvent: the change event

newRowsAdded back to summary

newRowsAdded	back to summary
public void newRowsAdded(TableModelEvent e) Ensures that the new rows have the correct number of columns. This is accomplished by using the `setSize` method in `Vector` which truncates vectors which are too long, and appends `null`s if they are too short. This method also sends out a `tableChanged` notification message to all the listeners. Parameters e:TableModelEvent this `TableModelEvent` describes where the rows were added. If `null` it assumes all the rows were newly added See Also `getDataVector`

public void newRowsAdded(TableModelEvent e)

Ensures that the new rows have the correct number of columns. This is accomplished by using the setSize method in Vector which truncates vectors which are too long, and appends nulls if they are too short. This method also sends out a tableChanged notification message to all the listeners.

Parameters

e:TableModelEvent: this TableModelEvent describes where the rows were added. If null it assumes all the rows were newly added

See Also

getDataVector

newVector	back to summary
private static <E> Vector<E> newVector(int size)

nonNullVector	back to summary
private static <E> Vector<E> nonNullVector(Vector<E> v)

removeRow back to summary

removeRow	back to summary
public void removeRow(int row) Removes the row at `row` from the model. Notification of the row being removed will be sent to all the listeners. Parameters row:int the row index of the row to be removed Exceptions ArrayIndexOutOfBoundsException: if the row was invalid

public void removeRow(int row)

Removes the row at row from the model. Notification of the row being removed will be sent to all the listeners.

Parameters

row:int: the row index of the row to be removed

Exceptions

ArrayIndexOutOfBoundsException:: if the row was invalid

rotate	back to summary
private static <E> void rotate(Vector<E> v, int a, int b, int shift)

rowsRemoved back to summary

rowsRemoved	back to summary
public void rowsRemoved(TableModelEvent event) Equivalent to `fireTableChanged`. Parameters event:TableModelEvent the change event

public void rowsRemoved(TableModelEvent event)

Equivalent to fireTableChanged.

Parameters

event:TableModelEvent: the change event

setColumnCount back to summary

setColumnCount	back to summary
public void setColumnCount(int columnCount) Sets the number of columns in the model. If the new size is greater than the current size, new columns are added to the end of the model with `null` cell values. If the new size is less than the current size, all columns at index `columnCount` and greater are discarded. Parameters columnCount:int the new number of columns in the model Since 1.3 See Also `setRowCount`

public void setColumnCount(int columnCount)

Sets the number of columns in the model. If the new size is greater than the current size, new columns are added to the end of the model with null cell values. If the new size is less than the current size, all columns at index columnCount and greater are discarded.

Parameters

columnCount:int: the new number of columns in the model

Since

1.3

See Also

setRowCount

setColumnIdentifiers back to summary

setColumnIdentifiers	back to summary
public void setColumnIdentifiers(Vector<?> columnIdentifiers) Replaces the column identifiers in the model. If the number of `newIdentifier`s is greater than the current number of columns, new columns are added to the end of each row in the model. If the number of `newIdentifier`s is less than the current number of columns, all the extra columns at the end of a row are discarded. Parameters columnIdentifiers:Vector<?> vector of column identifiers. If `null`, set the model to zero columns See Also `setNumRows`

public void setColumnIdentifiers(Vector<?> columnIdentifiers)

Replaces the column identifiers in the model. If the number of newIdentifiers is greater than the current number of columns, new columns are added to the end of each row in the model. If the number of newIdentifiers is less than the current number of columns, all the extra columns at the end of a row are discarded.

Parameters

columnIdentifiers:Vector<?>: vector of column identifiers. If null, set the model to zero columns

See Also

setNumRows

setColumnIdentifiers back to summary

setColumnIdentifiers	back to summary
public void setColumnIdentifiers(Object[] newIdentifiers) Replaces the column identifiers in the model. If the number of `newIdentifier`s is greater than the current number of columns, new columns are added to the end of each row in the model. If the number of `newIdentifier`s is less than the current number of columns, all the extra columns at the end of a row are discarded. Parameters newIdentifiers:Object[] array of column identifiers. If `null`, set the model to zero columns See Also `setNumRows`

public void setColumnIdentifiers(Object[] newIdentifiers)

Parameters

newIdentifiers:Object[]: array of column identifiers. If null, set the model to zero columns

See Also

setNumRows

setDataVector back to summary

setDataVector	back to summary
public void setDataVector(Vector<? extends Vector<E>> dataVector, Vector<?> columnIdentifiers) Replaces the current `dataVector` instance variable with the new `Vector` of rows, `dataVector`. Each row is represented in `dataVector` as a `Vector` of `Object` values. `columnIdentifiers` are the names of the new columns. The first name in `columnIdentifiers` is mapped to column 0 in `dataVector`. Each row in `dataVector` is adjusted to match the number of columns in `columnIdentifiers` either by truncating the `Vector` if it is too long, or adding `null` values if it is too short. Note that passing in a `null` value for `dataVector` results in unspecified behavior, an possibly an exception. Parameters dataVector:Vector<? extends Vector<E>> the new data vector columnIdentifiers:Vector<?> the names of the columns Annotations @SuppressWarnings:rawtypes, unchecked See Also `getDataVector`

public void setDataVector(Vector<? extends Vector<E>> dataVector, Vector<?> columnIdentifiers)

Replaces the current dataVector instance variable with the new Vector of rows, dataVector. Each row is represented in dataVector as a Vector of Object values. columnIdentifiers are the names of the new columns. The first name in columnIdentifiers is mapped to column 0 in dataVector. Each row in dataVector is adjusted to match the number of columns in columnIdentifiers either by truncating the Vector if it is too long, or adding null values if it is too short.

Note that passing in a null value for dataVector results in unspecified behavior, an possibly an exception.

Parameters

dataVector:Vector<? extends Vector<E>>: the new data vector
columnIdentifiers:Vector<?>: the names of the columns

Annotations

@SuppressWarnings:rawtypes, unchecked

See Also

getDataVector

setDataVector back to summary

setDataVector	back to summary
public void setDataVector(Object[][] dataVector, Object[] columnIdentifiers) Replaces the value in the `dataVector` instance variable with the values in the array `dataVector`. The first index in the `Object[][]` array is the row index and the second is the column index. `columnIdentifiers` are the names of the new columns. Parameters dataVector:Object[][] the new data vector columnIdentifiers:Object[] the names of the columns See Also `setDataVector(Vector, Vector)`

public void setDataVector(Object[][] dataVector, Object[] columnIdentifiers)

Replaces the value in the dataVector instance variable with the values in the array dataVector. The first index in the Object[][] array is the row index and the second is the column index. columnIdentifiers are the names of the new columns.

Parameters

dataVector:Object[][]: the new data vector
columnIdentifiers:Object[]: the names of the columns

See Also

setDataVector(Vector, Vector)

setNumRows back to summary

setNumRows	back to summary
public void setNumRows(int rowCount) Obsolete as of Java 2 platform v1.3. Please use `setRowCount` instead. Parameters rowCount:int the new number of rows

public void setNumRows(int rowCount)

Obsolete as of Java 2 platform v1.3. Please use setRowCount instead.

Parameters

rowCount:int: the new number of rows

setRowCount back to summary

setRowCount	back to summary
public void setRowCount(int rowCount) Sets the number of rows in the model. If the new size is greater than the current size, new rows are added to the end of the model If the new size is less than the current size, all rows at index `rowCount` and greater are discarded. Parameters rowCount:int number of rows in the model Since 1.3 See Also `setColumnCount`

public void setRowCount(int rowCount)

Sets the number of rows in the model. If the new size is greater than the current size, new rows are added to the end of the model If the new size is less than the current size, all rows at index rowCount and greater are discarded.

Parameters

rowCount:int: number of rows in the model

Since

1.3

See Also

setColumnCount

setValueAt back to summary

setValueAt	back to summary
public void setValueAt(Object aValue, int row, int column) Overrides javax.swing.table.AbstractTableModel.setValueAt. Implements javax.swing.table.TableModel.setValueAt. Sets the object value for the cell at `column` and `row`. `aValue` is the new value. This method will generate a `tableChanged` notification. Parameters aValue:Object the new value; this can be null row:int the row whose value is to be changed column:int the column whose value is to be changed Exceptions ArrayIndexOutOfBoundsException: if an invalid row or column was given

public void setValueAt(Object aValue, int row, int column)

Overrides javax.swing.table.AbstractTableModel.setValueAt.

Implements javax.swing.table.TableModel.setValueAt.

Sets the object value for the cell at column and row. aValue is the new value. This method will generate a tableChanged notification.

Parameters

aValue:Object: the new value; this can be null
row:int: the row whose value is to be changed
column:int: the column whose value is to be changed

Exceptions

ArrayIndexOutOfBoundsException:: if an invalid row or column was given

public Class DefaultTableModel

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