Java tutorial
//package com.java2s; /* * This file is part of WebLookAndFeel library. * * WebLookAndFeel library 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. * * WebLookAndFeel library 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 WebLookAndFeel library. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.event.InputEvent; public class Main { /** * Returns whether ALT modifier is triggered by the specified event or not. * * @param event * event to process * @return true if ALT modifier is triggered by the specified event, false * otherwise */ public static boolean isAlt(final InputEvent event) { return isAlt(event.getModifiers()); } /** * Returns whether ALT modifier is triggered by the specified modifiers or * not. * * @param modifiers * modifiers to process * @return true if ALT modifier is triggered by the specified modifiers, * false otherwise */ public static boolean isAlt(final int modifiers) { return (modifiers & InputEvent.ALT_MASK) != 0; } }