Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambda/methodReference/MethodRef1.java
test/tools/javac/lambda/methodReference/MethodRef1.java
- changeset 1415
- 01c9d4161882
- child 1435
- 9b26c96f5138
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| 1414:843d3b191773 | 1415:01c9d4161882 |
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| 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 * Test static method reference | |
| 29 * @compile MethodRef1.java | |
| 30 * @run main MethodRef1 | |
| 31 */ | |
| 32 | |
| 33 public class MethodRef1 { | |
| 34 | |
| 35 static interface A {void m();} | |
| 36 | |
| 37 static interface B {void m(int i);} | |
| 38 | |
| 39 static interface C {String m(String s);} | |
| 40 | |
| 41 private static void assertTrue(boolean cond) { | |
| 42 if (!cond) | |
| 43 throw new AssertionError(); | |
| 44 } | |
| 45 | |
| 46 static void foo(int x) { | |
| 47 System.out.println("MethodRef1.foo(int) " + x); | |
| 48 } | |
| 49 | |
| 50 static void bar() { | |
| 51 System.out.println("MethodRef1.bar()"); | |
| 52 } | |
| 53 | |
| 54 static void bar(int x) { | |
| 55 System.out.println("MethodRef1.bar(int) " + x); | |
| 56 } | |
| 57 | |
| 58 static String bar(String s) { | |
| 59 return "MethodRef1.bar(String) " + s; | |
| 60 } | |
| 61 | |
| 62 public static void main(String[] args) { | |
| 63 | |
| 64 A a = MethodRef1::bar; //static reference to bar() | |
| 65 a.m(); | |
| 66 | |
| 67 B b = MethodRef1::foo; //static reference to foo(int), (int) omitted because method foo is not overloaded | |
| 68 b.m(1); | |
| 69 | |
| 70 b = MethodRef1::foo; //static reference to foo(int) | |
| 71 b.m(1); | |
| 72 | |
| 73 b = new MethodRef1()::foo; //instance reference to static methods, supported for now | |
| 74 b.m(1); | |
| 75 | |
| 76 b = MethodRef1::bar; //static reference to bar(int) | |
| 77 b.m(2); | |
| 78 | |
| 79 C c = MethodRef1::bar; //static reference to bar(String) | |
| 80 assertTrue( c.m("hi").equals("MethodRef1.bar(String) hi") ); | |
| 81 } | |
| 82 } |
