Modifier and Type	Class and Description
public static enum	Source.Feature Models a feature of the Java programming language.

Field Summary

Modifier and Type	Field and Description
public static final Source	DEFAULT
public static final Source	JDK10 1.10 local-variable type inference (var).
public static final Source	JDK11 1.11 local-variable syntax for lambda parameters
public static final Source	JDK12 12, no language features; switch expression in preview
public static final Source	JDK13 13, no language features; text blocks and revised switch expressions in preview
public static final Source	JDK14 14, switch expressions; pattern matching, records, and revised text blocks in preview
public static final Source	JDK15 15, text blocks
public static final Source	JDK16 16, records and pattern matching for instanceof
public static final Source	JDK17 17, sealed classes, restoration of always-strict floating-point
public static final Source	JDK18 18, no major changes
public static final Source	JDK19 19, no major changes
public static final Source	JDK1_2 1.2 introduced strictfp.
public static final Source	JDK1_3 1.3 is the same language as 1.2.
public static final Source	JDK1_4 1.4 introduced assert.
public static final Source	JDK20 20, no major changes
public static final Source	JDK21 21, tbd
public static final Source	JDK22 22, tbd
public static final Source	JDK23 23, tbd
public static final Source	JDK24 24, tbd
public static final Source	JDK25 25, tbd
public static final Source	JDK26 26, tbd
public static final Source	JDK27 27, tbd
public static final Source	JDK5 1.5 introduced generics, attributes, foreach, boxing, static import, covariant return, enums, varargs, et al.
public static final Source	JDK6 1.6 reports encoding problems as errors instead of warnings.
public static final Source	JDK7 1.7 introduced try-with-resources, multi-catch, string switch, etc.
public static final Source	JDK8 1.8 lambda expressions and default methods.
public static final Source	JDK9 1.9 modularity.
private static final Source	MAX
public static final Source	MIN
public final String	name Hides java.lang.Enum.name.
private static final Context.Key<Source>	sourceKey
private static final Map<String, Source>	tab

Access	Constructor and Description
private	Source(String name)

Method Summary

Modifier and Type	Method and Description
public static Source	instance(Context context)
public boolean	isSupported()
public static Source	lookup(String name)
public Target	requiredTarget()
public static SourceVersion	toSourceVersion(Source source)
public static Source	valueOf(String name)
public static Source[]	values()

Inherited from java.lang.Enum:: clone compareTo describeConstable equals finalize getDeclaringClass hashCode name ordinal toString valueOf

Field Detail

DEFAULT	back to summary
public static final Source DEFAULT

JDK10	back to summary
public static final Source JDK10 1.10 local-variable type inference (var).

JDK11	back to summary
public static final Source JDK11 1.11 local-variable syntax for lambda parameters

JDK12	back to summary
public static final Source JDK12 12, no language features; switch expression in preview

JDK13	back to summary
public static final Source JDK13 13, no language features; text blocks and revised switch expressions in preview

JDK14	back to summary
public static final Source JDK14 14, switch expressions; pattern matching, records, and revised text blocks in preview

JDK15	back to summary
public static final Source JDK15 15, text blocks

JDK16	back to summary
public static final Source JDK16 16, records and pattern matching for instanceof

JDK17	back to summary
public static final Source JDK17 17, sealed classes, restoration of always-strict floating-point

JDK18	back to summary
public static final Source JDK18 18, no major changes

JDK19	back to summary
public static final Source JDK19 19, no major changes

JDK1_2	back to summary
public static final Source JDK1_2 1.2 introduced strictfp.

JDK1_3	back to summary
public static final Source JDK1_3 1.3 is the same language as 1.2.

JDK1_4	back to summary
public static final Source JDK1_4 1.4 introduced assert.

JDK20	back to summary
public static final Source JDK20 20, no major changes

JDK21	back to summary
public static final Source JDK21 21, tbd

JDK22	back to summary
public static final Source JDK22 22, tbd

JDK23	back to summary
public static final Source JDK23 23, tbd

JDK24	back to summary
public static final Source JDK24 24, tbd

JDK25	back to summary
public static final Source JDK25 25, tbd

JDK26	back to summary
public static final Source JDK26 26, tbd

JDK27	back to summary
public static final Source JDK27 27, tbd

JDK5	back to summary
public static final Source JDK5 1.5 introduced generics, attributes, foreach, boxing, static import, covariant return, enums, varargs, et al.

JDK6	back to summary
public static final Source JDK6 1.6 reports encoding problems as errors instead of warnings.

JDK7	back to summary
public static final Source JDK7 1.7 introduced try-with-resources, multi-catch, string switch, etc.

JDK8	back to summary
public static final Source JDK8 1.8 lambda expressions and default methods.

JDK9	back to summary
public static final Source JDK9 1.9 modularity.

MAX	back to summary
private static final Source MAX

MIN	back to summary
public static final Source MIN

name	back to summary
public final String name Hides java.lang.Enum.name.

sourceKey	back to summary
private static final Context.Key<Source> sourceKey

tab	back to summary
private static final Map<String, Source> tab

Source	back to summary
private Source(String name)

Method Detail

instance	back to summary
public static Source instance(Context context)

isSupported	back to summary
public boolean isSupported()

lookup	back to summary
public static Source lookup(String name)

requiredTarget	back to summary
public Target requiredTarget()

toSourceVersion	back to summary
public static SourceVersion toSourceVersion(Source source)

valueOf	back to summary
public static Source valueOf(String name)

values	back to summary
public static Source[] values()

com.sun.tools.javac.code back to summary

public final Enum Source.Feature

Class Inheritance

extends Enum<Source.Feature>

java.lang.Object
java.lang.Enum
com.sun.tools.javac.code.Source.Feature

Models a feature of the Java programming language. Each feature can be associated with a minimum source level, a maximum source level and a diagnostic fragment describing the feature, which is used to generate error messages of the kind feature XYZ not supported in source N.

Nested and Inner Type Summary

Modifier and Type	Class and Description
pack-priv static enum	Source.Feature.DiagKind

Field Summary

Modifier and Type	Field and Description
public static final Source.Feature	CAPTURE_MREF_RETURN_TYPE
public static final Source.Feature	CASE_NULL
public static final Source.Feature	DEPRECATION_ON_IMPORT
public static final Source.Feature	DIAMOND_WITH_ANONYMOUS_CLASS_CREATION
public static final Source.Feature	EFFECTIVELY_FINAL_VARIABLES_IN_TRY_WITH_RESOURCES
public static final Source.Feature	ERASE_POLY_SIG_RETURN_TYPE
public static final Source.Feature	FLEXIBLE_CONSTRUCTORS
public static final Source.Feature	IMPLICIT_CLASSES
public static final Source.Feature	IMPORT_ON_DEMAND_OBSERVABLE_PACKAGES
public static final Source.Feature	JAVA_BASE_TRANSITIVE
public static final Source.Feature	LOCAL_VARIABLE_TYPE_INFERENCE
private final Source	maxLevel
private final Source	minLevel
public static final Source.Feature	MODULE_IMPORTS
public static final Source.Feature	MODULES
public static final Source.Feature	NO_TARGET_ANNOTATION_APPLICABILITY
private final JCDiagnostic.Fragment	optFragment
private final Source.Feature.DiagKind	optKind
public static final Source.Feature	PATTERN_MATCHING_IN_INSTANCEOF
public static final Source.Feature	PATTERN_SWITCH
public static final Source.Feature	PRIMITIVE_PATTERNS
public static final Source.Feature	PRIVATE_INTERFACE_METHODS
public static final Source.Feature	PRIVATE_MEMBERS_IN_PERMITS_CLAUSE
public static final Source.Feature	PRIVATE_SAFE_VARARGS
public static final Source.Feature	RECORD_PATTERNS
public static final Source.Feature	RECORDS
public static final Source.Feature	REDUNDANT_STRICTFP
public static final Source.Feature	REIFIABLE_TYPES_INSTANCEOF
public static final Source.Feature	SEALED_CLASSES
public static final Source.Feature	SWITCH_EXPRESSION
public static final Source.Feature	SWITCH_MULTIPLE_CASE_LABELS
public static final Source.Feature	SWITCH_RULE
public static final Source.Feature	TEXT_BLOCKS
public static final Source.Feature	TYPE_ANNOTATIONS_ON_VAR_LAMBDA_PARAMETER
public static final Source.Feature	UNCONDITIONAL_PATTERN_IN_INSTANCEOF
public static final Source.Feature	UNDERSCORE_IDENTIFIER
public static final Source.Feature	UNNAMED_VARIABLES
public static final Source.Feature	VAR_SYNTAX_IMPLICIT_LAMBDAS
public static final Source.Feature	WARN_ON_ILLEGAL_UTF8

Constructor Summary

Access	Constructor and Description
private	Feature(Source minLevel)
private	Feature(Source minLevel, JCDiagnostic.Fragment optFragment, Source.Feature.DiagKind optKind)
private	Feature(Source minLevel, Source maxLevel)
private	Feature(Source minLevel, Source maxLevel, JCDiagnostic.Fragment optFragment, Source.Feature.DiagKind optKind)

Method Summary

Modifier and Type	Method and Description
public boolean	allowedInSource(Source source)
public JCDiagnostic.Error	error(String sourceName)
public JCDiagnostic.Fragment	fragment(String sourceName)
public boolean	isPlural()
public JCDiagnostic.Fragment	nameFragment()
public static Source.Feature	valueOf(String name)
public static Source.Feature[]	values()

Inherited from java.lang.Enum:: clone compareTo describeConstable equals finalize getDeclaringClass hashCode name ordinal toString valueOf

Field Detail

CAPTURE_MREF_RETURN_TYPE	back to summary
public static final Source.Feature CAPTURE_MREF_RETURN_TYPE

CASE_NULL	back to summary
public static final Source.Feature CASE_NULL

DEPRECATION_ON_IMPORT	back to summary
public static final Source.Feature DEPRECATION_ON_IMPORT

DIAMOND_WITH_ANONYMOUS_CLASS_CREATION	back to summary
public static final Source.Feature DIAMOND_WITH_ANONYMOUS_CLASS_CREATION

EFFECTIVELY_FINAL_VARIABLES_IN_TRY_WITH_RESOURCES	back to summary
public static final Source.Feature EFFECTIVELY_FINAL_VARIABLES_IN_TRY_WITH_RESOURCES

ERASE_POLY_SIG_RETURN_TYPE	back to summary
public static final Source.Feature ERASE_POLY_SIG_RETURN_TYPE

FLEXIBLE_CONSTRUCTORS	back to summary
public static final Source.Feature FLEXIBLE_CONSTRUCTORS

IMPLICIT_CLASSES	back to summary
public static final Source.Feature IMPLICIT_CLASSES

IMPORT_ON_DEMAND_OBSERVABLE_PACKAGES	back to summary
public static final Source.Feature IMPORT_ON_DEMAND_OBSERVABLE_PACKAGES

JAVA_BASE_TRANSITIVE	back to summary
public static final Source.Feature JAVA_BASE_TRANSITIVE

LOCAL_VARIABLE_TYPE_INFERENCE	back to summary
public static final Source.Feature LOCAL_VARIABLE_TYPE_INFERENCE

maxLevel	back to summary
private final Source maxLevel

minLevel	back to summary
private final Source minLevel

MODULE_IMPORTS	back to summary
public static final Source.Feature MODULE_IMPORTS

MODULES	back to summary
public static final Source.Feature MODULES

NO_TARGET_ANNOTATION_APPLICABILITY	back to summary
public static final Source.Feature NO_TARGET_ANNOTATION_APPLICABILITY

optFragment	back to summary
private final JCDiagnostic.Fragment optFragment

optKind	back to summary
private final Source.Feature.DiagKind optKind

PATTERN_MATCHING_IN_INSTANCEOF	back to summary
public static final Source.Feature PATTERN_MATCHING_IN_INSTANCEOF

PATTERN_SWITCH	back to summary
public static final Source.Feature PATTERN_SWITCH

PRIMITIVE_PATTERNS	back to summary
public static final Source.Feature PRIMITIVE_PATTERNS

PRIVATE_INTERFACE_METHODS	back to summary
public static final Source.Feature PRIVATE_INTERFACE_METHODS

PRIVATE_MEMBERS_IN_PERMITS_CLAUSE	back to summary
public static final Source.Feature PRIVATE_MEMBERS_IN_PERMITS_CLAUSE

PRIVATE_SAFE_VARARGS	back to summary
public static final Source.Feature PRIVATE_SAFE_VARARGS

RECORD_PATTERNS	back to summary
public static final Source.Feature RECORD_PATTERNS

RECORDS	back to summary
public static final Source.Feature RECORDS

REDUNDANT_STRICTFP	back to summary
public static final Source.Feature REDUNDANT_STRICTFP

REIFIABLE_TYPES_INSTANCEOF	back to summary
public static final Source.Feature REIFIABLE_TYPES_INSTANCEOF

SEALED_CLASSES	back to summary
public static final Source.Feature SEALED_CLASSES

SWITCH_EXPRESSION	back to summary
public static final Source.Feature SWITCH_EXPRESSION

SWITCH_MULTIPLE_CASE_LABELS	back to summary
public static final Source.Feature SWITCH_MULTIPLE_CASE_LABELS

SWITCH_RULE	back to summary
public static final Source.Feature SWITCH_RULE

TEXT_BLOCKS	back to summary
public static final Source.Feature TEXT_BLOCKS

TYPE_ANNOTATIONS_ON_VAR_LAMBDA_PARAMETER	back to summary
public static final Source.Feature TYPE_ANNOTATIONS_ON_VAR_LAMBDA_PARAMETER

UNCONDITIONAL_PATTERN_IN_INSTANCEOF	back to summary
public static final Source.Feature UNCONDITIONAL_PATTERN_IN_INSTANCEOF

UNDERSCORE_IDENTIFIER	back to summary
public static final Source.Feature UNDERSCORE_IDENTIFIER

UNNAMED_VARIABLES	back to summary
public static final Source.Feature UNNAMED_VARIABLES

VAR_SYNTAX_IMPLICIT_LAMBDAS	back to summary
public static final Source.Feature VAR_SYNTAX_IMPLICIT_LAMBDAS

WARN_ON_ILLEGAL_UTF8	back to summary
public static final Source.Feature WARN_ON_ILLEGAL_UTF8

Constructor Detail

Feature	back to summary
private Feature(Source minLevel)

Feature	back to summary
private Feature(Source minLevel, JCDiagnostic.Fragment optFragment, Source.Feature.DiagKind optKind)

Feature	back to summary
private Feature(Source minLevel, Source maxLevel)

Feature	back to summary
private Feature(Source minLevel, Source maxLevel, JCDiagnostic.Fragment optFragment, Source.Feature.DiagKind optKind)

Method Detail

allowedInSource	back to summary
public boolean allowedInSource(Source source)

error	back to summary
public JCDiagnostic.Error error(String sourceName)

fragment	back to summary
public JCDiagnostic.Fragment fragment(String sourceName)

isPlural	back to summary
public boolean isPlural()

nameFragment	back to summary
public JCDiagnostic.Fragment nameFragment()

valueOf	back to summary
public static Source.Feature valueOf(String name)

values	back to summary
public static Source.Feature[] values()

com.sun.tools.javac.code back to summary

pack-priv final Enum Source.Feature.DiagKind

Class Inheritance

extends Enum<Source.Feature.DiagKind>

java.lang.Object
java.lang.Enum
com.sun.tools.javac.code.Source.Feature.DiagKind

Field Summary

Modifier and Type	Field and Description
public static final Source.Feature.DiagKind	NORMAL
public static final Source.Feature.DiagKind	PLURAL

Constructor Summary

Access	Constructor and Description
private	DiagKind()

Method Summary

Modifier and Type	Method and Description
public static Source.Feature.DiagKind	valueOf(String name)
public static Source.Feature.DiagKind[]	values()

Inherited from java.lang.Enum:: clone compareTo describeConstable equals finalize getDeclaringClass hashCode name ordinal toString valueOf

Field Detail

NORMAL	back to summary
public static final Source.Feature.DiagKind NORMAL

PLURAL	back to summary
public static final Source.Feature.DiagKind PLURAL

Constructor Detail

DiagKind	back to summary
private DiagKind()

Method Detail

valueOf	back to summary
public static Source.Feature.DiagKind valueOf(String name)

values	back to summary
public static Source.Feature.DiagKind[] values()