Linux安装多个jdk版本进行切换
本文为大家分享了Linuxjdk安装多个版本切换的具体方法，供大家参考，具体内容如下
1.上传jdk7和jdk8包
2.解压
[root@localhostwebapps]#tar-zxvf/package/jdk-7u80-linux-x64.tar.gz
3.配置jdk变量
vi/etc/profile exportJAVA_HOME=/package/jdk1.7.0_80 exportCLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar exportPATH=$PATH:$JAVA_HOME/bin
4.java-version
5.给jdk1.7设置序列号
[xxx@localhosthome]$alternatives--install/usr/bin/javajava/package/jdk1.7.0_803
6.安装jdk1.8
[xxx@localhosthome]$alternatives--install/usr/bin/javajava/package/jdk1.8.0_1242
7.选择jdk对应的数字--切换jdk版本
[root@localhost~]#java-version javaversion"1.7.0_80" Java(TM)SERuntimeEnvironment(build1.7.0_80-b15) JavaHotSpot(TM)64-BitServerVM(build24.80-b11,mixedmode) [root@localhost~]#alternatives--configjava Thereare3programswhichprovide'java'. SelectionCommand ----------------------------------------------- *1/package/jdk1.8.0_121/java 2/package/jdk1.8.0_121/bin/java +3/package/jdk1.7.0_80/bin/java Entertokeepthecurrentselection[+],ortypeselectionnumber:2 [root@localhost~]#java-version javaversion"1.8.0_121" Java(TM)SERuntimeEnvironment(build1.8.0_121-b13) JavaHotSpot(TM)64-BitServerVM(build25.121-b13,mixedmode)
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持毛票票。