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

comparison: test/tools/javac/lambda/funcInterfaces/LambdaTest2_SAM1.java

test/tools/javac/lambda/funcInterfaces/LambdaTest2_SAM1.java

changeset 1415
01c9d4161882
parent 0
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equal deleted inserted replaced
1414:843d3b191773 1415:01c9d4161882
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 * This test is for identifying SAM types 2 and 3, see Helper.java for SAM types
29 * @compile LambdaTest2_SAM1.java Helper.java
30 * @run main LambdaTest2_SAM1
31 */
32
33 import java.util.Collections;
34 import java.util.List;
35 import java.util.ArrayList;
36 import java.io.*;
37
38 public class LambdaTest2_SAM1 {
39 private static List<String> strs = new ArrayList<String>();
40 private static List<File> files = new ArrayList<File>();
41
42 public static void main(String[] args) {
43 strs.add("copy");
44 strs.add("paste");
45 strs.add("delete");
46 strs.add("rename");
47
48 files.add(new File("a.txt"));
49 files.add(new File("c.txt"));
50 files.add(new File("b.txt"));
51
52 //type #2: Comparator<T>
53 Collections.sort(files, (File f1, File f2) -> f1.getName().compareTo(f2.getName()));
54 for(File f : files)
55 System.out.println(f.getName());
56 System.out.println();
57 Collections.sort(files, (File f1, File f2) -> (int)(f1.length() - f2.length()));
58 for(File f : files)
59 System.out.println(f.getName() + " " + f.length());
60 System.out.println();
61
62 LambdaTest2_SAM1 test = new LambdaTest2_SAM1();
63
64 //type #2:
65 test.methodMars((File f) -> {
66 System.out.println("implementing Mars<File>.getAge(File f)...");
67 return (int)f.length();
68 });
69 test.methodJupiter((int n) -> n+1);
70
71 //type #3:
72 test.methodXY((List<String> strList) -> strList.size() );
73 test.methodXYZ((List<String> strList) -> 20 );
74 }
75
76 //type #2:
77 void methodMars(Mars<File> m) {
78 System.out.println("methodMars(): SAM type interface Mars object instantiated: " + m);
79 System.out.println(m.getAge(new File("a.txt")));
80 }
81
82 //type #2:
83 void methodJupiter(Jupiter j) {
84 System.out.println("methodJupiter(): SAM type interface Jupiter object instantiated: " + j);
85 System.out.println(j.increment(33));
86 }
87
88 //type #3:
89 void methodXY(XY xy) {
90 System.out.println("methodXY(): SAM type interface XY object instantiated: " + xy);
91 System.out.println(xy.getTotal(strs));
92 }
93
94 //type #3:
95 void methodXYZ(XYZ xyz) {
96 System.out.println("methodXYZ(): SAM type interface XYZ object instantiated: " + xyz);
97 System.out.println(xyz.getTotal(strs));
98 }
99 }

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