org.springframework.core
Class JdkVersion

java.lang.Object
  org.springframework.core.JdkVersion

public class JdkVersion
extends Object

Helper class used to find the current Java/JDK version. Usually we want to find if we're in a 1.4 or higher JVM. (Spring does not support 1.2 JVMs.)

Author:

Rod Johnson, Juergen Hoeller

Field Summary

static int	JAVA_13
static int	JAVA_14
static int	JAVA_15

Constructor Summary

JdkVersion()

Method Summary

static String	getJavaVersion() Return the full Java version string, as returned by System.getProperty("java.version").
static int	getMajorJavaVersion() Get the major version code.

Methods inherited from class java.lang.Object

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

Field Detail

JAVA_13

public static final int JAVA_13

See Also:

Constant Field Values

JAVA_14

public static final int JAVA_14

See Also:

Constant Field Values

JAVA_15

public static final int JAVA_15

See Also:

Constant Field Values

Constructor Detail

JdkVersion

public JdkVersion()

Method Detail

getJavaVersion

public static String getJavaVersion()

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

getMajorJavaVersion

public static int getMajorJavaVersion()

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

Returns:

a code comparable to the JAVA_XX codes in this class

See Also:

JAVA_13, JAVA_14, JAVA_15