1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/tools/javac/lambda/funcInterfaces/LambdaTest2_SAM1.java Sat Nov 17 19:01:03 2012 +0000 1.3 @@ -0,0 +1,99 @@ 1.4 +/* 1.5 + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + */ 1.26 + 1.27 +/** 1.28 + * @test 1.29 + * @bug 8003280 1.30 + * @summary Add lambda tests 1.31 + * This test is for identifying SAM types 2 and 3, see Helper.java for SAM types 1.32 + * @compile LambdaTest2_SAM1.java Helper.java 1.33 + * @run main LambdaTest2_SAM1 1.34 + */ 1.35 + 1.36 +import java.util.Collections; 1.37 +import java.util.List; 1.38 +import java.util.ArrayList; 1.39 +import java.io.*; 1.40 + 1.41 +public class LambdaTest2_SAM1 { 1.42 + private static List<String> strs = new ArrayList<String>(); 1.43 + private static List<File> files = new ArrayList<File>(); 1.44 + 1.45 + public static void main(String[] args) { 1.46 + strs.add("copy"); 1.47 + strs.add("paste"); 1.48 + strs.add("delete"); 1.49 + strs.add("rename"); 1.50 + 1.51 + files.add(new File("a.txt")); 1.52 + files.add(new File("c.txt")); 1.53 + files.add(new File("b.txt")); 1.54 + 1.55 + //type #2: Comparator<T> 1.56 + Collections.sort(files, (File f1, File f2) -> f1.getName().compareTo(f2.getName())); 1.57 + for(File f : files) 1.58 + System.out.println(f.getName()); 1.59 + System.out.println(); 1.60 + Collections.sort(files, (File f1, File f2) -> (int)(f1.length() - f2.length())); 1.61 + for(File f : files) 1.62 + System.out.println(f.getName() + " " + f.length()); 1.63 + System.out.println(); 1.64 + 1.65 + LambdaTest2_SAM1 test = new LambdaTest2_SAM1(); 1.66 + 1.67 + //type #2: 1.68 + test.methodMars((File f) -> { 1.69 + System.out.println("implementing Mars<File>.getAge(File f)..."); 1.70 + return (int)f.length(); 1.71 + }); 1.72 + test.methodJupiter((int n) -> n+1); 1.73 + 1.74 + //type #3: 1.75 + test.methodXY((List<String> strList) -> strList.size() ); 1.76 + test.methodXYZ((List<String> strList) -> 20 ); 1.77 + } 1.78 + 1.79 + //type #2: 1.80 + void methodMars(Mars<File> m) { 1.81 + System.out.println("methodMars(): SAM type interface Mars object instantiated: " + m); 1.82 + System.out.println(m.getAge(new File("a.txt"))); 1.83 + } 1.84 + 1.85 + //type #2: 1.86 + void methodJupiter(Jupiter j) { 1.87 + System.out.println("methodJupiter(): SAM type interface Jupiter object instantiated: " + j); 1.88 + System.out.println(j.increment(33)); 1.89 + } 1.90 + 1.91 + //type #3: 1.92 + void methodXY(XY xy) { 1.93 + System.out.println("methodXY(): SAM type interface XY object instantiated: " + xy); 1.94 + System.out.println(xy.getTotal(strs)); 1.95 + } 1.96 + 1.97 + //type #3: 1.98 + void methodXYZ(XYZ xyz) { 1.99 + System.out.println("methodXYZ(): SAM type interface XYZ object instantiated: " + xyz); 1.100 + System.out.println(xyz.getTotal(strs)); 1.101 + } 1.102 +}