Mac system different Java version switch

#确认jdk版本

/usr/libexec/java_home

#会得到下面信息 (different versions are displayed differently)

/library/java/javavirtualmachines/jdk1.7.0_60.jdk/contents/home

#上面是1. Version 7 JDK, you can use the-V ID to get other installed versions of the JDK, such as: The 1.6 version of the JDK that comes with the system

/usr/libexec/java_home-v ' 1.6* '

#会得到下面信息 (Mac OS X 10.9.4 comes with 1.6JDK)

/system/library/java/javavirtualmachines/1.6.0.jdk/contents/home

Get the above information and start creating a configuration file

#创建. Bash_profile configuration file (Skip this step if you already have the file)

Touch ~/.bash_profile

#vim编辑. bash_profile file

Vim ~/.bash_profile

#如果不习惯vim命令就使用自带的文本编辑器打开

Open ~/.bash_profile

#将下面内容输入到. Bash_profile Inside

# mac default JDK 6 (Mac default comes with a jdk6 version) export java_6_home=$ (/usr/libexec/java_home-v 1.6) # set JDK 7export java_7_home=$ (/usr/ Libexec/java_home-v 1.7) #默认JDK 7export java_home= $JAVA _7_home#alias command dynamically switch JDK version alias jdk6= "Export java_home= $JAVA _6_ HOME "Alias jdk7=" Export java_home= $JAVA _7_home "

#输入完成后保存执行下面命令

#重新执行. bash_profile file

SOURCE ~/.bash_profile

#切换直接终端输入jdk6或jdk7来切换jdk版本

Get JDK version, edit. Bash_profile

. bash_profile Configuration file Contents

All commands, JDK version switch from: http://blog.sina.com.cn/s/blog_63fea2670102uwpt.html

Mac system different Java version switch