Java tutorial
//package com.java2s; import java.awt.Component; import javax.swing.JPanel; public class Main { /** * "Wraps" a component in a JPanel. In layouts where components tend to stretch, this is * useful because the JPanel will stretch but the actual component will not. * @return A JPanel containing the specified component. */ public static JPanel box(Component component) { JPanel panel = new JPanel(); panel.add(component); return panel; } }