Here you can find the source of menuDigit(int digit)
public static KeyStroke menuDigit(int digit)
//package com.java2s; /*//ww w. j ava 2s .c o m * Copyright 2011, 2012 Delving BV * * Licensed under the EUPL, Version 1.0 or? as soon they * will be approved by the European Commission - subsequent * versions of the EUPL (the "Licence"); * you may not use this work except in compliance with the * Licence. * You may obtain a copy of the Licence at: * * http://ec.europa.eu/idabc/eupl * * Unless required by applicable law or agreed to in * writing, software distributed under the Licence is * distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. * See the Licence for the specific language governing * permissions and limitations under the Licence. */ import javax.swing.*; import java.awt.Toolkit; import java.awt.event.KeyEvent; public class Main { public static KeyStroke menuDigit(int digit) { if (digit < 0 || digit > 9) throw new IllegalArgumentException("Not a digit: " + digit); return menuKeystroke(KeyEvent.VK_0 + digit); } private static KeyStroke menuKeystroke(int virtualKey) { return KeyStroke.getKeyStroke(virtualKey, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()); } }