Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2011, 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

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 /**

  * @test

  * @bug 8003280

  * @summary Add lambda tests

  *   This test is for identifying SAM types 2 and 3, see Helper.java for SAM types

  * @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));

     }

 }