获取本地JDK版本

来源：互联网发布：ip地址及端口号编辑：程序博客网时间：2024/05/19 01:10

获取本地JDK版本

package com.demo.utils;/** * 获取本地JDK版本 * @author 353654 * */public class JdkUtils {    public static final String JAVA_VERSION;    public static final boolean IS_JAVA_5;    public static final boolean IS_JAVA_6;    public static final boolean IS_JAVA_7;    public static final boolean IS_JAVA_8;    public static final boolean IS_JAVA_9;    public static final boolean IS_AT_LEAST_JAVA_5;    public static final boolean IS_AT_LEAST_JAVA_6;    public static final boolean IS_AT_LEAST_JAVA_7;    public static final boolean IS_AT_LEAST_JAVA_8;    public static final boolean IS_AT_LEAST_JAVA_9;    static {        JAVA_VERSION = System.getProperty("java.version");        IS_JAVA_5 = JAVA_VERSION.startsWith("1.5.");        IS_JAVA_6 = JAVA_VERSION.startsWith("1.6.");        IS_JAVA_7 = JAVA_VERSION.startsWith("1.7.");        IS_JAVA_8 = JAVA_VERSION.startsWith("1.8.");        IS_JAVA_9 = JAVA_VERSION.startsWith("1.9.");        IS_AT_LEAST_JAVA_9 = IS_JAVA_9;        IS_AT_LEAST_JAVA_8 = IS_JAVA_8 || IS_AT_LEAST_JAVA_9;        IS_AT_LEAST_JAVA_7 = IS_JAVA_7 || IS_AT_LEAST_JAVA_8;        IS_AT_LEAST_JAVA_6 = IS_JAVA_6 || IS_AT_LEAST_JAVA_7;        IS_AT_LEAST_JAVA_5 = IS_JAVA_5 || IS_AT_LEAST_JAVA_6;    }    public static void main(String[] args) {        System.out.println(JAVA_VERSION);    }}

0 0