| /* |
| * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 8003280 |
| * @summary Add lambda tests |
| * This test is for identifying SAM types 2 and 3, see Helper.java for SAM types |
| * @modules java.sql |
| * @compile LambdaTest2_SAM1.java Helper.java |
| * @run main LambdaTest2_SAM1 |
| */ |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.ArrayList; |
| import java.io.*; |
| |
| public class LambdaTest2_SAM1 { |
| private static List<String> strs = new ArrayList<String>(); |
| private static List<File> files = new ArrayList<File>(); |
| |
| public static void main(String[] args) { |
| strs.add("copy"); |
| strs.add("paste"); |
| strs.add("delete"); |
| strs.add("rename"); |
| |
| files.add(new File("a.txt")); |
| files.add(new File("c.txt")); |
| files.add(new File("b.txt")); |
| |
| //type #2: Comparator<T> |
| Collections.sort(files, (File f1, File f2) -> f1.getName().compareTo(f2.getName())); |
| for(File f : files) |
| System.out.println(f.getName()); |
| System.out.println(); |
| Collections.sort(files, (File f1, File f2) -> (int)(f1.length() - f2.length())); |
| for(File f : files) |
| System.out.println(f.getName() + " " + f.length()); |
| System.out.println(); |
| |
| LambdaTest2_SAM1 test = new LambdaTest2_SAM1(); |
| |
| //type #2: |
| test.methodMars((File f) -> { |
| System.out.println("implementing Mars<File>.getAge(File f)..."); |
| return (int)f.length(); |
| }); |
| test.methodJupiter((int n) -> n+1); |
| |
| //type #3: |
| test.methodXY((List<String> strList) -> strList.size() ); |
| test.methodXYZ((List<String> strList) -> 20 ); |
| } |
| |
| //type #2: |
| void methodMars(Mars<File> m) { |
| System.out.println("methodMars(): SAM type interface Mars object instantiated: " + m); |
| System.out.println(m.getAge(new File("a.txt"))); |
| } |
| |
| //type #2: |
| void methodJupiter(Jupiter j) { |
| System.out.println("methodJupiter(): SAM type interface Jupiter object instantiated: " + j); |
| System.out.println(j.increment(33)); |
| } |
| |
| //type #3: |
| void methodXY(XY xy) { |
| System.out.println("methodXY(): SAM type interface XY object instantiated: " + xy); |
| System.out.println(xy.getTotal(strs)); |
| } |
| |
| //type #3: |
| void methodXYZ(XYZ xyz) { |
| System.out.println("methodXYZ(): SAM type interface XYZ object instantiated: " + xyz); |
| System.out.println(xyz.getTotal(strs)); |
| } |
| } |