Java tutorial
//package com.java2s; import java.awt.Container; public class Main { public static int getContainerWidth(Container container) { int width = 0; for (int index = 0; index < container.getComponentCount(); index++) { int offset = (container.getComponent(index).getX() + container.getComponent(index).getWidth()); if (offset > width) { width = offset; } } return width; } }