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    <p>From your question I guess that you need <strong><em>deep copy</em></strong> of the object . If this is the case don't use <a href="http://docs.oracle.com/javase/1.4.2/docs/api/java/lang/Object.html#clone%28%29" rel="nofollow"><code>clone</code></a> method as it is already specified in <code>oracle docs</code> that it provides <strong><em>shallow copy</em></strong> of the associated object. And I don't have enough idea about <code>BeanUtils.copyProperties</code> API.<br>Given below is the short demo of <code>deep copy</code>. Here I am deep copying a <code>primitive array</code>. You can try this code with any type of object.</p> <pre><code>import java.io.*; class ArrayDeepCopy { ByteArrayOutputStream baos; ByteArrayInputStream bins; public void saveState(Object obj)throws Exception //saving the stream of bytes of object to `ObjectOutputStream`. { baos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(baos); oos.writeObject(obj); oos.close(); } public int[][] readState()throws Exception //reading the state back to object using `ObjectInputStream` { bins = new ByteArrayInputStream(baos.toByteArray()); ObjectInputStream oins = new ObjectInputStream(bins); Object obj = oins.readObject(); oins.close(); return (int[][])obj; } public static void main(String[] args) throws Exception { int arr[][]= { {1,2,3}, {4,5,7} }; ArrayDeepCopy ars = new ArrayDeepCopy(); System.out.println("Saving state..."); ars.saveState(arr); System.out.println("State saved.."); System.out.println("Retrieving state.."); int j[][] = ars.readState(); System.out.println("State retrieved..And the retrieved array is:"); for (int i =0 ; i &lt; j.length ; i++ ) { for (int k = 0 ; k &lt; j[i].length ; k++) { System.out.print(j[i][k]+"\t"); } System.out.print("\n"); } } } </code></pre>
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    1. POShould we use clone or BeanUtils.copyProperties and why
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    1. USVishal K
    1. USVishal K
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