1/* 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/** 25 * @test 26 * @bug 8003280 27 * @summary Add lambda tests 28 * Test capture of "effectively final" local variable in lambda expressions 29 * @compile LambdaTest3.java 30 * @run main LambdaTest3 31 */ 32 33public class LambdaTest3 { 34 35 private static int count = 0; 36 37 private static void assertTrue(boolean b) { 38 if(!b) 39 throw new AssertionError(); 40 } 41 42 public static void main(String[] args) { 43 final int N = 100; 44 int n = 2; //effectively final variable 45 46 Runnable r = ((Runnable) 47 () -> { 48 count += N; 49 count += n; 50 } 51 ); 52 assertTrue(count == 0); 53 r.run(); 54 assertTrue(count == 102); 55 } 56} 57