How to set and use different JDK versions for Netbeans on CentOS

 How to set and use different JDK versions for Netbeans on CentOS

1.Find the configuration file netbeans.conf
# locate netbeans.conf

2.The path would look like this:
# /usr/local/netbeans-6.9.1/etc/netbeans.conf

3.Open the configure file:
# sudo vim  /usr/local/netbeans-6.9.1/etc/netbeans.conf

4.Find the following statements in your netbeans.conf file:
# Default location of JDK, can be overridden by using --jdkhome :
netbeans_jdkhome="/usr/java/latest"

5. Change the version you like.
it should work now.