Here you can find the source of resizeJPanel(JPanel p)
public static void resizeJPanel(JPanel p)
//package com.java2s; /*//ww w . j a v a2 s .c om Holyoke Framework: library for GUI-based database applications This file Copyright (c) 2006-2008 by Robert Fischer This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.*; import javax.swing.*; public class Main { /** Resize the panel correctly, based on size of things in it. We're assuming that sqlEdit has been added to the panel as well. */ public static void resizeJPanel(JPanel p) { Dimension d = p.getLayout().preferredLayoutSize(p); p.setPreferredSize(d); } }