(go) Find and set $java_home on Mac

Recently upgraded Mac OS, installed JDK7 for Mac, download JDK7 for Mac here, after loading found that JDK7 home is not found under the default path, as follows:

$whichJava/usr/bin/java$ls-l/usr/bin/JAVALRWXR-xr-x1Root Wheel AboutJan4  -: -/usr/bin/java-/system/library/frameworks/javavm.framework/versions/current/commands/java$ls-l/system/library/frameworks/javavm.framework/Versionstotal -LRWXR-xr-x1Root WheelTenJan4  -: - 1.4-CURRENTJDKLRWXR-xr-x1Root WheelTenJan4  -: - 1.4.2-CURRENTJDKLRWXR-xr-x1Root WheelTenJan4  -: - 1.5-CURRENTJDKLRWXR-xr-x1Root WheelTenJan4  -: - 1.5.0-CURRENTJDKLRWXR-xr-x1Root WheelTenJan4  -: - 1.6-CURRENTJDKLRWXR-xr-x1Root WheelTenJan4  -: - 1.6.0-CURRENTJDKDRWXR-xr-x7Root Wheel238Jan4  -: -ALRWXR-xr-x1Root Wheel1Jan4  -: -Current--ALRWXR-xr-x1Root Wheel -Jan4  -: -CURRENTJDK-/system/library/java/javavirtualmachines/1.6.0. jdk/contents

But the version of view Java is really 1.7, as follows:

$ java-"1.7.0_45"1.7. 0_45-24.45 -b08, Mixed mode)

Google a bit, found this article important Java directories on Mac OS X, you can use the tool command "/usr/libexec/java_home" to locate the Java_home, this is cool:

cat ~/. Profilejava_home= '/usr/libexec/echo  $JAVA _home/library/java/ Javavirtualmachines/jdk1. 7. 0_45.jdk/contents/home

You can also use the-V option to list all versions of Java_home:

$/usr/libexec/java_home-vmatching Java Virtual machines (3):    1.7.0_45, x86_64:"Java SE 7"/library/java/javavirtualmachines/jdk1.7.0_45.jdk/contents/Home1.6.0_65-b14-462, x86_64:"Java SE 6"/system/library/java/javavirtualmachines/1.6.0. jdk/contents/Home1.6.0_65-b14-462, i386:"Java SE 6"/system/library/java/javavirtualmachines/1.6.0. jdk/contents/Home/library/java/javavirtualmachines/jdk1.7.0_45.jdk/contents/home

Original address: http://guibin.iteye.com/blog/1999238

(go) Find and set $java_home on Mac