Here you can find the source of setMinimumWidth(JComponent component, int width)
public static void setMinimumWidth(JComponent component, int width)
//package com.java2s; /*/* ww w. ja va 2s.co m*/ (C) 2007 Stefan Reich (jazz@drjava.de) This source file is part of Project Prophecy. For up-to-date information, see http://www.drjava.de/prophecy This source file is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, version 2.1. */ import javax.swing.*; import java.awt.*; public class Main { public static void setMinimumWidth(JComponent component, int width) { component.setMinimumSize(new Dimension(width, component.getMinimumSize().height)); } }