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How to make java point to right version of java on your Mac ?

A usual problem on mac where the even after upgrading or installing the latest version of Java, when queried in command line for java version it still refers to the old version of java. something like below:
$ java -version java version "1.7.0_79" Java(TM) SE Runtime Environment (build 1.7.0_79-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)

This is because the /usr/bin/java is pointing to  /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java on the system.
$ ls -la `which java` /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java

This is because Oracle's installer puts java inside the/Library/Internet Plug-Ins/JavaAppletPlugin.plugin. And it doesn't overwrite /usr/bin/java. So to fix this we have remove the existing soft link to old java and point it to new java binary. which can be done by performing following steps.

$ sudo rm /usr/bin/java
$ sudo ln -s /Library/Internet\ Plug-Ins/JavaApplet…