Here you can find the source of showErrorMessage(Component parent, String str)
public final static void showErrorMessage(Component parent, String str)
//package com.java2s; /*//from w w w .j a v a 2s .c o m * Copyright 2004 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * 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. */ import java.awt.Component; import javax.swing.JOptionPane; public class Main { /** * Display error message. */ public final static void showErrorMessage(Component parent, String str) { JOptionPane.showMessageDialog(parent, str, "Error!", JOptionPane.ERROR_MESSAGE); } }