Java example source code file (ArraysOfArrays.java)

This example Java source code file (ArraysOfArrays.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

arraysofarrays, error, exception, failed, fileinputstream, fileoutputstream, int_u, integer, ioexception, objectinputstream, objectoutputstream, string, test, use

The ArraysOfArrays.java Java example source code

/*
 * Copyright (c) 2005, 2010, 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
 * @summary it is new version of old test which was under
 *          /src/share/test/serialization/piotest.java
 *          Test of serialization/deserialization of
 *          objects as arrays of arrays
 */

import java.io.*;

public class ArraysOfArrays {
    public static void main (String argv[]) throws IOException {
        System.err.println("\nRegression test for testing of " +
            "serialization/deserialization of objects as " +
            "arrays of arrays \n");

        FileInputStream istream = null;
        FileOutputStream ostream = null;
        try {
            ostream = new FileOutputStream("piotest5.tmp");
            ObjectOutputStream p = new ObjectOutputStream(ostream);

            byte b[][] = {{ 0, 1}, {2,3}};
            p.writeObject((Object)b);

            short s[][] = {{ 0, 1, 2}, {3,4,5}};
            p.writeObject((Object)s);

            char c[][] = {{ 0, 1, 2, 3}, {4, 5, 6, 7}};
            p.writeObject((Object)c);

            int i[][] = {{ 0, 1, 2, 3, 4}, {5, 6, 7, 8, 9}};
            p.writeObject((Object)i);

            long l[][] = {{ 0, 1, 2, 3, 4, 5}, {6,7,8,9,10,11}};
            p.writeObject((Object)l);

            boolean z[][] = new boolean[2][2];

            z[0][0] = true;
            z[0][1] = false;
            z[1] = z[0];        // Use first row same as second

            p.writeObject((Object)z);

            float f[][] = {{ 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f},
                { 1.1f, 2.1f, 3.1f, 4.1f, 5.1f, 6.1f}};
            p.writeObject((Object)f);

            double d[][] = {{ 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0d},
                { 1.1f, 2.1f, 3.1f, 4.1f, 5.1f, 6.1f, 7.1d}};
            p.writeObject((Object)d);

            Integer Int[][] = {{ new Integer(3), new Integer(2)},
                { new Integer(1), new Integer(0)}};
            p.writeObject((Object)Int);

            p.flush();

            /* Now read them back and verify
             */
            istream = new FileInputStream("piotest5.tmp");
            ObjectInputStream q = new ObjectInputStream(istream);

            byte b_u[][] = (byte [][]) (q.readObject());
            for (int ix = 0; ix < b_u.length; ix++) {
                for(int iy = 0; iy < b_u[ix].length; iy++) {
                    if (b[ix][iy] != b_u[ix][iy]) {
                        System.err.println("\nByte array mismatch [" +
                            ix + "][" + iy + " expected " + b[ix][iy] +
                            " actual = " + b_u[ix][iy]);
                        throw new Error();
                    }
                }
            }


            short s_u[][] = (short [][])(q.readObject());
            for (int ix = 0; ix < b_u.length; ix++) {
                for(int iy = 0; iy < b_u[ix].length; iy++) {
                    if (b[ix][iy] != b_u[ix][iy]) {
                        System.err.println("\nshort array mismatch [" +
                            ix + "][" + iy + " expected " + b[ix][iy] +
                            " actual = " + b_u[ix][iy]);
                        throw new Error();
                    }
                }
            }

            char c_u[][] = (char [][])(q.readObject());
            for (int ix = 0; ix < b_u.length; ix++) {
                for(int iy = 0; iy < b_u[ix].length; iy++) {
                    if (b[ix][iy] != b_u[ix][iy]) {
                        System.err.println("\nchar array mismatch [" +
                            ix + "][" + iy + " expected " + b[ix][iy] +
                            " actual = " + b_u[ix][iy]);
                        throw new Error();
                    }
                }
            }

            int i_u[][] = (int [][])(q.readObject());
            for (int ix = 0; ix < b_u.length; ix++) {
                for(int iy = 0; iy < b_u[ix].length; iy++) {
                    if (b[ix][iy] != b_u[ix][iy]) {
                        System.err.println("\nint array mismatch [" +
                            ix + "][" + iy + " expected " + b[ix][iy] +
                            " actual = " + b_u[ix][iy]);
                        throw new Error();
                    }
                }
            }

            long l_u[][] = (long [][])(q.readObject());
            for (int ix = 0; ix < b_u.length; ix++) {
                for(int iy = 0; iy < b_u[ix].length; iy++) {
                    if (b[ix][iy] != b_u[ix][iy]) {
                        System.err.println("\nlong array mismatch [" +
                            ix + "][" + iy + " expected " + b[ix][iy] +
                            " actual = " + b_u[ix][iy]);
                        throw new Error();
                    }
                }
            }

            boolean z_u[][] = (boolean [][])(q.readObject());
            for (int ix = 0; ix < b_u.length; ix++) {
                for(int iy = 0; iy < b_u[ix].length; iy++) {
                    if (b[ix][iy] != b_u[ix][iy]) {
                        System.err.println("\nboolean array mismatch [" +
                            ix + "][" + iy + " expected " + b[ix][iy] +
                            " actual = " + b_u[ix][iy]);
                        throw new Error();
                    }
                }
            }

            float f_u[][] = (float [][])(q.readObject());
            for (int ix = 0; ix < b_u.length; ix++) {
                for(int iy = 0; iy < b_u[ix].length; iy++) {
                    if (b[ix][iy] != b_u[ix][iy]) {
                        System.err.println("\nfloat array mismatch [" +
                            ix + "][" + iy + " expected " + b[ix][iy] +
                            " actual = " + b_u[ix][iy]);
                        throw new Error();
                    }
                }
            }

            double d_u[][] = (double [][])(q.readObject());
            for (int ix = 0; ix < b_u.length; ix++) {
                for(int iy = 0; iy < b_u[ix].length; iy++) {
                    if (b[ix][iy] != b_u[ix][iy]) {
                        System.err.println("\ndouble array mismatch [" +
                            ix + "][" + iy + " expected " + b[ix][iy] +
                            " actual = " + b_u[ix][iy]);
                        throw new Error();
                    }
                }
            }

            Integer Int_u[][] = (Integer [][])(q.readObject());
            for (int ix = 0; ix < b_u.length; ix++) {
                for(int iy = 0; iy < b_u[ix].length; iy++) {
                    if (b[ix][iy] != b_u[ix][iy]) {
                        System.err.println("\nInteger array mismatch [" +
                            ix + "][" + iy + " expected " + b[ix][iy] +
                            " actual = " + b_u[ix][iy]);
                        throw new Error();
                    }
                }
            }
            System.err.println("\nTEST PASSED");
        } catch (Exception e) {
            System.err.print("TEST FAILED: ");
            e.printStackTrace();

            System.err.println("\nInput remaining");
            int ch;
            try {
                while ((ch = istream.read()) != -1) {
                    System.err.print("\n " +Integer.toString(ch, 16) + " ");
                }
                System.err.println("\n ");
            } catch (Exception f) {
                throw new Error();
            }
            throw new Error();
        } finally {
            if (istream != null) istream.close();
            if (ostream != null) ostream.close();
        }
    }
}