程序包 cn.taketoday.core

Enum Class JavaVersion

java.lang.Object

java.lang.Enum<JavaVersion>

cn.taketoday.core.JavaVersion

所有已实现的接口:

Serializable, Comparable<JavaVersion>, Constable

public enum JavaVersion
extends Enum<JavaVersion>

Known Java versions.

从以下版本开始:

4.0 2022/4/4 12:23

作者:

Oliver Gierke, Phillip Webb, Harry Yang

嵌套类概要

从类继承的嵌套类/接口 java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

枚举常量概要

枚举常量

枚举常量	说明
EIGHTEEN	Java 18.
NINETEEN	Java 19.
SEVENTEEN	Java 17.
TWENTY	Java 20.
TWENTY_ONE	Java 21.

字段概要

字段

修饰符和类型	字段	说明
private final boolean	available
private final String	name

构造器概要

构造器

限定符	构造器	说明
private	JavaVersion(String name, Class<?> clazz, String methodName)

方法概要

修饰符和类型	方法	说明
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 class with the specified name.
static JavaVersion[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

从类继承的方法 java.lang.Enum

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

从类继承的方法 java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

枚举常量详细资料

SEVENTEEN

public static final JavaVersion SEVENTEEN

Java 17.

EIGHTEEN

public static final JavaVersion EIGHTEEN

Java 18.

NINETEEN

public static final JavaVersion NINETEEN

Java 19.

TWENTY

public static final JavaVersion TWENTY

Java 20.

TWENTY_ONE

public static final JavaVersion TWENTY_ONE

Java 21.

字段详细资料

name

private final String name

available

private final boolean available

构造器详细资料

JavaVersion

private JavaVersion(String name,
 Class<?> clazz,
 String methodName)

方法详细资料

values

public static JavaVersion[] values()

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

返回:

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

valueOf

public static JavaVersion valueOf(String name)

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

参数:

name - 要返回的枚举常量的名称。

返回:

返回带有指定名称的枚举常量

抛出:

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

NullPointerException - 如果参数为空值

toString

public String toString()

覆盖:

toString 在类中 Enum<JavaVersion>

getJavaVersion

public static JavaVersion getJavaVersion()

Returns the JavaVersion of the current runtime.

返回:

the JavaVersion

isEqualOrNewerThan

public boolean isEqualOrNewerThan(JavaVersion version)

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

参数:

version - the version to compare

返回:

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.

参数:

version - the version to compare

返回:

true if this version is older than version