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Java example source code file (Constructors.java)

This example Java source code file (Constructors.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

inner, method_formal_parameter, method_receiver, method_return, middle, outer, string, super, tadescription, tadescriptions, test

The Constructors.java Java example source code

/*
 * Copyright (c) 2012, 2013, 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 8026791
 * @summary Test population of reference info for constructor results
 * @compile -g Driver.java ReferenceInfoUtil.java Constructors.java
 * @run main Driver Constructors
 */

import static com.sun.tools.classfile.TypeAnnotation.TargetType.*;

public class Constructors {

    @TADescriptions({
        @TADescription(annotation = "TA", type = METHOD_RETURN),
        @TADescription(annotation = "TB", type = METHOD_RETURN),
        @TADescription(annotation = "TC", type = METHOD_FORMAL_PARAMETER, paramIndex = 0)
    })
    public String regularClass() {
        return "class Test { @TA Test() {}" +
                           " @TB Test(@TC int b) {} }";
    }

    @TADescriptions({
        @TADescription(annotation = "TA", type = METHOD_RETURN, genericLocation = {1, 0}),
        @TADescription(annotation = "TB", type = METHOD_RETURN, genericLocation = {1, 0}),
        @TADescription(annotation = "TC", type = METHOD_FORMAL_PARAMETER, paramIndex = 0)
    })
    @TestClass("Test$Inner")
    public String innerClass() {
        return "class Test { class Inner {" +
               " @TA Inner() {}" +
               " @TB Inner(@TC int b) {}" +
               " } }";
    }

    @TADescriptions({
        @TADescription(annotation = "TA", type = METHOD_RECEIVER),
        @TADescription(annotation = "TB", type = METHOD_RETURN, genericLocation = {1, 0}),
        @TADescription(annotation = "TC", type = METHOD_RECEIVER),
        @TADescription(annotation = "TD", type = METHOD_RETURN, genericLocation = {1, 0}),
        @TADescription(annotation = "TE", type = METHOD_FORMAL_PARAMETER, paramIndex = 0)
    })
    @TestClass("Test$Inner")
    public String innerClass2() {
        return "class Test { class Inner {" +
               " @TB Inner(@TA Test Test.this) {}" +
               " @TD Inner(@TC Test Test.this, @TE int b) {}" +
               " } }";
    }

    @TADescriptions({
        @TADescription(annotation = "TA", type = METHOD_RECEIVER),
        @TADescription(annotation = "TB", type = METHOD_RECEIVER, genericLocation = {1, 0}),
        @TADescription(annotation = "TC", type = METHOD_RETURN, genericLocation = {1, 0, 1, 0}),
        @TADescription(annotation = "TD", type = METHOD_RECEIVER, genericLocation = {1, 0}),
        @TADescription(annotation = "TE", type = METHOD_RETURN, genericLocation = {1, 0, 1, 0}),
        @TADescription(annotation = "TF", type = METHOD_FORMAL_PARAMETER, paramIndex = 0)
    })
    @TestClass("Outer$Middle$Inner")
    public String innerClass3() {
        return "class Outer { class Middle { class Inner {" +
               " @TC Inner(@TA Outer. @TB Middle Middle.this) {}" +
               " @TE Inner(@TD Middle Outer.Middle.this, @TF int b) {}" +
               " } } }";
    }

    @TADescriptions({
        @TADescription(annotation = "TA", type = CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT,
                typeIndex = 0, offset = 4),
        @TADescription(annotation = "TB", type = CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT,
                typeIndex = 0, offset = 0)
    })
    public String generic1() {
        return "class Test { <T> Test(int i) { new <@TA T>Test(); }" +
                           " <T> Test() { <@TB String>this(0); } }";
    }

    @TADescriptions({
        @TADescription(annotation = "TA", type = CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT,
                typeIndex = 0, offset = 0)
    })
    public String generic2() {
        return "class Super { <T> Super(int i) { } } " +
                "class Test extends Super { <T> Test() { <@TA String>super(0); } }";
    }

}

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