Redirect or reassign some standard descriptors : Unit Test « Development Class « Java

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Java » Development Class » Unit TestScreenshots 
Redirect or reassign some standard descriptors
 

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
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 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
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 *
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 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * POSSIBILITY OF SUCH DAMAGE.
 
 * Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;

/**
 * "Redirect" or reassign some standard descriptors.
 
 @author Ian F. Darwin, http://www.darwinsys.com/
 @version $Id: Redirect.java,v 1.4 2004/03/06 20:57:56 ian Exp $
 */
public class Redirect {
  public static void main(String[] argvthrows IOException {
    //+
    String LOGFILENAME = "error.log";
    System.setErr(new PrintStream(new FileOutputStream(LOGFILENAME)));
    System.out.println("Please look for errors in " + LOGFILENAME);
    // Now assume this is somebody else's code; you'll see it writing to
    // stderr...
    int[] a = new int[5];
    a[100// here comes an ArrayIndexOutOfBoundsException
    //-
  }
}
           
         
  
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