jdk/test/demo/jvmti/HeapUser.java
author jjg
Mon, 19 Oct 2009 13:38:09 -0700
changeset 4077 0096541a388e
parent 2 90ce3da70b43
child 5506 202f599c92aa
permissions -rw-r--r--
6889255: javac MethodSymbol throws NPE if ClassReader does not read parameter names correctly Reviewed-by: darcy
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2
90ce3da70b43 Initial load
duke
parents:
diff changeset
     1
/*
90ce3da70b43 Initial load
duke
parents:
diff changeset
     2
 * Copyright 2004 Sun Microsystems, Inc.  All Rights Reserved.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     4
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
90ce3da70b43 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
90ce3da70b43 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     8
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
90ce3da70b43 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
90ce3da70b43 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
90ce3da70b43 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
90ce3da70b43 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
90ce3da70b43 Initial load
duke
parents:
diff changeset
    14
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
90ce3da70b43 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    18
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    19
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    20
 * CA 95054 USA or visit www.sun.com if you need additional information or
90ce3da70b43 Initial load
duke
parents:
diff changeset
    21
 * have any questions.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    22
 */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    23
90ce3da70b43 Initial load
duke
parents:
diff changeset
    24
90ce3da70b43 Initial load
duke
parents:
diff changeset
    25
/*
90ce3da70b43 Initial load
duke
parents:
diff changeset
    26
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    27
 *   Sample target application
90ce3da70b43 Initial load
duke
parents:
diff changeset
    28
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    29
 */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    30
90ce3da70b43 Initial load
duke
parents:
diff changeset
    31
class Animal {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    32
    int category;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    33
    int age;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    34
}
90ce3da70b43 Initial load
duke
parents:
diff changeset
    35
90ce3da70b43 Initial load
duke
parents:
diff changeset
    36
class Pet extends Animal {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    37
    String owner;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    38
    String name;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    39
    String vet;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    40
    String records;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    41
    String address;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    42
    Pet(String name) { this.name = name; }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    43
}
90ce3da70b43 Initial load
duke
parents:
diff changeset
    44
90ce3da70b43 Initial load
duke
parents:
diff changeset
    45
class Dog extends Pet {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    46
    int breed;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    47
    int barks;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    48
    Dog(String name) { super(name); }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    49
}
90ce3da70b43 Initial load
duke
parents:
diff changeset
    50
90ce3da70b43 Initial load
duke
parents:
diff changeset
    51
class Cat extends Pet {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    52
    int breed;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    53
    int claws;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    54
    Cat(String name) { super(name); }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    55
}
90ce3da70b43 Initial load
duke
parents:
diff changeset
    56
90ce3da70b43 Initial load
duke
parents:
diff changeset
    57
public class HeapUser {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    58
    private static Dog dogs[];
90ce3da70b43 Initial load
duke
parents:
diff changeset
    59
    private static Cat cats[];
90ce3da70b43 Initial load
duke
parents:
diff changeset
    60
    public static void main(String args[]) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    61
        System.out.println("HeapUser start, 101 dogs, 1000 cats");
90ce3da70b43 Initial load
duke
parents:
diff changeset
    62
        dogs = new Dog[101];
90ce3da70b43 Initial load
duke
parents:
diff changeset
    63
        for(int i=0; i<101; i++) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    64
            dogs[i] = new Dog("fido " + i);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    65
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    66
        cats = new Cat[1000];
90ce3da70b43 Initial load
duke
parents:
diff changeset
    67
        for(int i=0; i<1000; i++) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    68
            cats[i] = new Cat("feefee " + i);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    69
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    70
        System.out.println("HeapUser end");
90ce3da70b43 Initial load
duke
parents:
diff changeset
    71
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    72
}