How to increase JVM Memory Size for JDeveloper 11g

Open the file D:\fmw1115\Middleware\jdeveloper\ide\bin\ide.conf

and change the lines

AddVMOption -Xmx1024M
AddVMOption -Xms128M

Also open the file D:\fmw1115\Middleware\jdeveloper\jdev\bin\jdev.conf

and change the line

AddVMOption -XX:MaxPermSize=256M