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92 lines
2.5 KiB
92 lines
2.5 KiB
/* ArrayTest Copyright (C) 1999 Jochen Hoenicke.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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*/
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import java.io.*;
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import java.lang.reflect.*;
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public class ArrayTest {
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Serializable s;
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Serializable[] u;
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Cloneable c;
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public void test() {
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int[] i = {4,3,2};
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i = new int[] {1, 2, 3};
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int[] j = new int[] {4,5,6};
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int[][] k = {i,j};
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u = k;
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s = i;
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c = i;
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}
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public void typetest() {
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int[] arr = null;
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s = arr;
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c = arr;
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arr[0] = 3;
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arr = arr != null ? arr : new int[4];
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}
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public static void main(String[] param) {
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int[] arr = new int[4];
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Class cls = arr.getClass();
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System.err.println("int[].getClass() is: "+cls);
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System.err.println("int[].getClass().getSuperclass() is: "
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+ cls.getSuperclass());
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Class[] ifaces = cls.getInterfaces();
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System.err.print("int[].getClass().getInterfaces() are: ");
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for (int i = 0; i < ifaces.length; i++) {
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if (i > 0)
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System.err.print(", ");
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System.err.print(ifaces[i]);
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}
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System.err.println();
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Field[] fields = cls.getDeclaredFields();
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System.err.print("int[].getClass().getDeclaredFields() are: ");
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for (int i = 0; i < fields.length; i++) {
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if (i > 0)
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System.err.print(", ");
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System.err.print(fields[i]);
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}
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System.err.println();
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Method[] methods = cls.getDeclaredMethods();
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System.err.print("int[].getClass().getDeclaredMethods() are: ");
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for (int i = 0; i < methods.length; i++) {
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if (i > 0)
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System.err.print(", ");
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System.err.print(methods[i]);
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}
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System.err.println();
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Object o = arr;
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System.err.println("arr instanceof Serializable: "+
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(o instanceof Serializable));
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System.err.println("arr instanceof Externalizable: "+
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(o instanceof Externalizable));
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System.err.println("arr instanceof Cloneable: "+
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(o instanceof Cloneable));
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// System.err.println("arr instanceof Comparable: "+
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// (o instanceof Comparable));
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}
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}
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