1 /*

     2  * Copyright 1999-2001 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 import java.lang.reflect.*;

    25 

    26 /*

    27  * Debuggee which exercises various types method calls

    28  */

    29 

    30 class MethodCalls {

    31 

    32     public static void main(String args[]) throws Exception {

    33         (new MethodCalls()).go();

    34     }

    35 

    36     static void staticCaller(MethodCalls mc) throws Exception {

    37         System.out.println("Called staticCaller");

    38         staticCallee();

    39         mc.instanceCallee();

    40 

    41         /*

    42          * Invocation by reflection. This also exercises native method calls

    43          * since Method.invoke is a native method.

    44          */

    45         Method m = MethodCalls.class.getDeclaredMethod("staticCallee", new Class[0]);

    46         m.invoke(mc, new Object[0]);

    47     }

    48 

    49     void instanceCaller() throws Exception {

    50         System.out.println("Called instanceCaller");

    51         staticCallee();

    52         instanceCallee();

    53 

    54         /*

    55          * Invocation by reflection. This also exercises native method calls

    56          * since Method.invoke is a native method.

    57          */

    58         Method m = getClass().getDeclaredMethod("instanceCallee", new Class[0]);

    59         m.invoke(this, new Object[0]);

    60     }

    61 

    62     static void staticCallee() {

    63         System.out.println("Called staticCallee");

    64     }

    65 

    66     void instanceCallee() {

    67         System.out.println("Called instanceCallee");

    68     }

    69 

    70     void go() throws Exception {

    71         instanceCaller();

    72         staticCaller(this);

    73     }

    74 }