org.frameworkset.util

类 JdkVersion

java.lang.Object

org.frameworkset.util.JdkVersion

public class JdkVersion
extends java.lang.Object

Title: JdkVersion.java

Description:

bboss workgroup

Copyright (c) 2008

字段概要

字段

限定符和类型	字段和说明
static int	JAVA_13 Constant identifying the 1.3.x JVM (JDK 1.3).
static int	JAVA_14 Constant identifying the 1.4.x JVM (J2SE 1.4).
static int	JAVA_15 Constant identifying the 1.5 JVM (Java 5).
static int	JAVA_16 Constant identifying the 1.6 JVM (Java 6).
static int	JAVA_17 Constant identifying the 1.7 JVM (Java 7).
static int	JAVA_18

构造器概要

构造器

构造器和说明
JdkVersion()

方法概要

限定符和类型	方法和说明
static java.lang.String	getJavaVersion() Return the full Java version string, as returned by System.getProperty("java.version").
static int	getMajorJavaVersion() Get the major version code.
static boolean	isAtLeastJava14() Convenience method to determine if the current JVM is at least Java 1.4.
static boolean	isAtLeastJava15() Convenience method to determine if the current JVM is at least Java 1.5 (Java 5).
static boolean	isAtLeastJava16() Convenience method to determine if the current JVM is at least Java 1.6 (Java 6).

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

JAVA_13

public static final int JAVA_13

Constant identifying the 1.3.x JVM (JDK 1.3).

另请参阅:

常量字段值

JAVA_14

public static final int JAVA_14

Constant identifying the 1.4.x JVM (J2SE 1.4).

另请参阅:

常量字段值

JAVA_15

public static final int JAVA_15

Constant identifying the 1.5 JVM (Java 5).

另请参阅:

常量字段值

JAVA_16

public static final int JAVA_16

Constant identifying the 1.6 JVM (Java 6).

另请参阅:

常量字段值

JAVA_17

public static final int JAVA_17

Constant identifying the 1.7 JVM (Java 7).

另请参阅:

常量字段值

JAVA_18

public static final int JAVA_18

另请参阅:

常量字段值

构造器详细资料

JdkVersion

public JdkVersion()

方法详细资料

getJavaVersion

public static java.lang.String getJavaVersion()

Return the full Java version string, as returned by System.getProperty("java.version").

返回:

the full Java version string

另请参阅:

System.getProperty(String)

getMajorJavaVersion

public static int getMajorJavaVersion()

Get the major version code. This means we can do things like if (getMajorJavaVersion() < JAVA_14).

返回:

a code comparable to the JAVA_XX codes in this class

另请参阅:

JAVA_13, JAVA_14, JAVA_15, JAVA_16, JAVA_17

isAtLeastJava14

public static boolean isAtLeastJava14()

Convenience method to determine if the current JVM is at least Java 1.4.

返回:

true if the current JVM is at least Java 1.4

另请参阅:

getMajorJavaVersion(), JAVA_14, JAVA_15, JAVA_16, JAVA_17

isAtLeastJava15

public static boolean isAtLeastJava15()

Convenience method to determine if the current JVM is at least Java 1.5 (Java 5).

返回:

true if the current JVM is at least Java 1.5

另请参阅:

getMajorJavaVersion(), JAVA_15, JAVA_16, JAVA_17

isAtLeastJava16

public static boolean isAtLeastJava16()

Convenience method to determine if the current JVM is at least Java 1.6 (Java 6).

返回:

true if the current JVM is at least Java 1.6

另请参阅:

getMajorJavaVersion(), JAVA_16, JAVA_17