Increase Heap size in NetBeans

1.Go to Netbeans Installation

2.C:\Program Files\NetBeans 7.3.1\etc open&copy "netbeans.conf" file

3.edit the —J-Xmx command line Java startup switch in the netbeans.conf file

4.netbeans_default_options=" -J-Xms32m -J-Xmx128m -J-XX:PermSize=32m
-J-XX:MaxPermSize=96m -J-Xverify:none -J-Dapple.laf.useScreenMenuBar=true"

5.Save

6.Copy & Paste "netbeans.conf" file in C:\Program Files\NetBeans 7.3.1\etc  

7.Restart NetBean

8.Njoy and say thanks to Satyajohnny