OpenJDK 27 · com.sun.jdi.Type · APIdia, the JavaDoc alternative

public Interface Type

The mirror for a type in the target VM. This interface is the root of a type hierarchy encompassing primitive types and reference types.

A Type may be used to represent a run-time type:

Value.type()

or a compile-time type:

Field#type()
Method#returnType()
Method#argumentTypes()
LocalVariable#type()
ArrayType#componentType()

The following tables illustrate which subinterfaces of Type are used to mirror types in the target VM --

Subinterfaces of `PrimitiveType`
Type declared in target as	Is mirrored as an instance of
`boolean`	`BooleanType`
`byte`	`ByteType`
`char`	`CharType`
`double`	`DoubleType`
`float`	`FloatType`
`int`	`IntegerType`
`long`	`LongType`
`short`	`ShortType`
`void`	`VoidType`

Subinterfaces of `ReferenceType`
Type declared in target as	For example	Is mirrored as an instance of
a class	`Date`	`ClassType`
an interface	`Runnable`	`InterfaceType`
an array	(any)	`ArrayType`
	`int[]`	`ArrayType` whose `componentType()` is `IntegerType`
	`Date[]`	`ArrayType` whose `componentType()` is `ClassType`
	`Runnable[]`	`ArrayType` whose `componentType()` is `InterfaceType`

Method Summary

Modifier and Type	Method and Description
public String	Returns: the name of this type name() Returns the name of this type.
public String	Returns: the type signature signature() Returns the type signature for this type.

Inherited from com.sun.jdi.Mirror:: toString virtualMachine

Method Detail

name back to summary

name	back to summary
public String name() Returns the name of this type. The result is of the same form as the name returned by `Class#getName()`. The returned name may not be a binary name. Returns:String the name of this type

public String name()

Returns the name of this type. The result is of the same form as the name returned by Class#getName(). The returned name may not be a binary name.

Returns:String: the name of this type

signature back to summary

signature	back to summary
public String signature() Returns the type signature for this type. The result is of the same form as the string returned by `Class#descriptorString()`. The returned string is a type descriptor conforming to JVMS 4.3.2 if this type can be described nominally. Otherwise, the returned string is not a type descriptor. Returns:String the type signature

public String signature()

Returns the type signature for this type. The result is of the same form as the string returned by Class#descriptorString(). The returned string is a type descriptor conforming to JVMS 4.3.2 if this type can be described nominally. Otherwise, the returned string is not a type descriptor.

Returns:String: the type signature