Here you can find the source of makeTrans(JFrame frmDisks, float f)
public static void makeTrans(JFrame frmDisks, float f)
//package com.java2s; //License from project: Open Source License import javax.swing.JFrame; public class Main { public static void makeTrans(JFrame frmDisks, float f) { com.sun.awt.AWTUtilities.setWindowOpacity(frmDisks, f); }//from w ww.j a va 2s . co m }