Here you can find the source of makeEqualSize(JComponent reference, JComponent... others)
public static void makeEqualSize(JComponent reference, JComponent... others)
//package com.java2s; /*//from ww w .j av a 2 s . c o m * WbSwingUtilities.java * * This file is part of SQL Workbench/J, http://www.sql-workbench.net * * Copyright 2002-2017, Thomas Kellerer * * Licensed under a modified Apache License, Version 2.0 * that restricts the use for certain governments. * You may not use this file except in compliance with the License. * You may obtain a copy of the License at. * * http://sql-workbench.net/manual/license.html * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * To contact the author please send an email to: support@sql-workbench.net * */ import java.awt.Dimension; import javax.swing.JComponent; public class Main { public static void makeEqualSize(JComponent reference, JComponent... others) { if (reference == null) return; if (others == null) return; Dimension size = reference.getPreferredSize(); for (JComponent comp : others) { comp.setPreferredSize(size); } } }