Clone demo : Clone « Class « Java

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Java » Class » CloneScreenshots 
Clone demo
    

/*
 * 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 $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 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
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * 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.
 */
class One extends java.lang.Object {
  int x;
}

class Two extends One /*implements Cloneable*/ {
  int y;
  public void foo() {
    try {
      Object o = this.clone();
    catch (CloneNotSupportedException ex) {
      System.err.println(ex);
    }
  }

  public Object clone() throws CloneNotSupportedException {
    return super.clone();
  }
}

public class CloneSub {
  public static void main(String[] argsthrows CloneNotSupportedException {
    Two t1 = new Two();
    t1.x = 100;
    t1.y = 200;
    Two t2 = (Two)t1.clone();
    System.out.println(t2);
    System.out.println(t2.y);
  }
}


           
         
    
    
    
  
Related examples in the same category
1. A Cloning Example
2. Class is declared to be cloneable.
3. Arrays are automatically cloneable
4. Clone objects
5. Creating a Deep Copy
6. Shallow Copy TestShallow Copy Test
7. Deep Copy TestDeep Copy Test
8. Uses serialization to perform deep copy cloning.
9. Tests cloning to see if destination of references are also clonedTests cloning to see if destination of references are also cloned
10. Creating local copies with cloneCreating local copies with clone
11. You can insert Cloneability at any level of inheritance
12. Cloning a composed objectCloning a composed object
13. Serializable and cloneSerializable and clone
14. Go through a few gyrations to add cloning to your own classGo through a few gyrations to add cloning to your own class
15. Checking to see if a reference can be clonedChecking to see if a reference can be cloned
16. The clone operation works for only a few items in the standard Java libraryThe clone operation works for only a few items in the standard Java library
17. Demonstration of cloning
18. Simple demo of avoiding side-effects by using Object.cloneSimple demo of avoiding side-effects by using Object.clone
19. Clone an object with clone method from parent
20. Manipulate properties after clone operation
21. Deep clone ObjectDeep clone Object
22. Serializable Clone
23. Utility for object cloning
24. Clone Via Serialization
25. Deep clone serializing/de-serializng Clone
26. Implements a pool of internalized objects
27. A collection of utilities to workaround limitations of Java clone framework
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