LambdaTest2_SAM3.java revision 2933:49d207bf704d
1/* 2 * Copyright (c) 2011, 2015, 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 * This test is for identifying SAM types #5 and instantiating non-SAM types #7 through inner class, 29 see Helper.java for SAM types 30 * @modules java.sql 31 * @compile LambdaTest2_SAM3.java Helper.java 32 * @run main LambdaTest2_SAM3 33 */ 34 35import java.util.Collection; 36import java.util.List; 37import java.util.ArrayList; 38 39public class LambdaTest2_SAM3 { 40 private static List<String> strs = new ArrayList<String>(); 41 private static List<Integer> integers = new ArrayList<Integer>(); 42 43 public static void main(String[] args) { 44 LambdaTest2_SAM3 test = new LambdaTest2_SAM3(); 45 46 //type #7, Not SAM-convertible, through inner class only: 47 test.methodFooBar(new FooBar() { 48 public int getAge(Number n) { 49 System.out.println("getAge(Number n) called"); 50 return 100; 51 } 52 public int getAge(Integer i) { 53 System.out.println("getAge(Integer i) called"); 54 return 200; 55 } 56 } 57 ); 58 59 //type #7: 60 test.methodDE(new DE(){ 61 public int getOldest(List<Integer > list) { 62 System.out.println("getOldest(List<Integer> list) called"); 63 return 100; 64 } 65 public int getOldest(Collection<?> collection) { 66 System.out.println("getOldest(Collection<?> collection) called"); 67 return 200; 68 } 69 } 70 ); 71 72 } 73 74 //type #7: Not SAM type 75 void methodFooBar(FooBar fb) { 76 System.out.println("methodFooBar(): interface FooBar object instantiated: " + fb); 77 System.out.println("result=" + fb.getAge(new Byte("10"))); 78 System.out.println("result=" + fb.getAge(new Integer(10))); 79 } 80 81 //type #7: Not SAM type 82 void methodDE (DE de) { 83 System.out.println("methodDE(): interface DE object instantiated: " + de); 84 System.out.println(de.getOldest(integers)); 85 System.out.println(de.getOldest(strs)); 86 } 87} 88