Package org.springframework.boot.system

Enum JavaVersion

java.lang.Object

java.lang.Enum<JavaVersion>

org.springframework.boot.system.JavaVersion

All Implemented Interfaces:

Serializable, Comparable<JavaVersion>, Constable

public enum JavaVersion
extends Enum<JavaVersion>

Known Java versions.

Since:

2.0.0

Author:

Oliver Gierke, Phillip Webb

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
EIGHT	Java 1.8.
ELEVEN	Java 11.
FIFTEEN	Java 15.
FOURTEEN	Java 14.
NINE	Java 9.
SEVENTEEN	Java 17.
SIXTEEN	Java 16.
TEN	Java 10.
THIRTEEN	Java 13.
TWELVE	Java 12.

Method Summary

Modifier and Type	Method	Description
static JavaVersion	getJavaVersion()	Returns the JavaVersion of the current runtime.
boolean	isEqualOrNewerThan(JavaVersion version)	Return if this version is equal to or newer than a given version.
boolean	isOlderThan(JavaVersion version)	Return if this version is older than a given version.
String	toString()
static JavaVersion	valueOf(String name)	Returns the enum constant of this type with the specified name.
static JavaVersion[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

EIGHT

public static final JavaVersion EIGHT

Java 1.8.

NINE

public static final JavaVersion NINE

Java 9.

TEN

public static final JavaVersion TEN

Java 10.

ELEVEN

public static final JavaVersion ELEVEN

Java 11.

TWELVE

public static final JavaVersion TWELVE

Java 12.

THIRTEEN

public static final JavaVersion THIRTEEN

Java 13.

FOURTEEN

public static final JavaVersion FOURTEEN

Java 14.

FIFTEEN

public static final JavaVersion FIFTEEN

Java 15.

SIXTEEN

public static final JavaVersion SIXTEEN

Java 16.

SEVENTEEN

public static final JavaVersion SEVENTEEN

Java 17.

Method Details

values

public static JavaVersion[] values()

Returns an array containing the constants of this enum type, in the order they are declared.

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static JavaVersion valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

toString

public String toString()

Overrides:

toString in class Enum<JavaVersion>

getJavaVersion

public static JavaVersion getJavaVersion()

Returns the JavaVersion of the current runtime.

Returns:

the JavaVersion

isEqualOrNewerThan

public boolean isEqualOrNewerThan(JavaVersion version)

Return if this version is equal to or newer than a given version.

Parameters:

version - the version to compare

Returns:

true if this version is equal to or newer than version

isOlderThan

public boolean isOlderThan(JavaVersion version)

Return if this version is older than a given version.

Parameters:

version - the version to compare

Returns:

true if this version is older than version