Java tutorial
//package com.java2s; //License from project: Open Source License import java.awt.Component; import java.awt.Container; public class Main { public static final int getComponentIndex(final Component component) { if (component != null && component.getParent() != null) { final Container c = component.getParent(); for (int i = 0; i < c.getComponentCount(); i++) { if (c.getComponent(i) == component) { return i; } } } return -1; } }