A collection of utilities to workaround limitations of Java clone framework : Clone « Class Definition « Java Tutorial

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import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

 * A collection of utilities to workaround limitations of Java clone framework.
public class CloneUtils {

    public static Object clone(final Object obj) throws CloneNotSupportedException {
        if (obj == null) {
            return null;
        if (obj instanceof Cloneable) {
            Class<?> clazz = obj.getClass ();
            Method m;
            try {
                m = clazz.getMethod("clone", (Class[]) null);
            } catch (NoSuchMethodException ex) {
                throw new NoSuchMethodError(ex.getMessage());
            try {
                return m.invoke(obj, (Object []) null);
            } catch (InvocationTargetException ex) {
                Throwable cause = ex.getCause();
                if (cause instanceof CloneNotSupportedException) {
                    throw ((CloneNotSupportedException) cause); 
                } else {
                    throw new Error("Unexpected exception", cause);
            } catch (IllegalAccessException ex) {
                throw new IllegalAccessError(ex.getMessage());
        } else {
            throw new CloneNotSupportedException();
     * This class should not be instantiated.
    private CloneUtils() {


5.18.1.Demonstrate the clone() method.
5.18.2.Override the clone() method.
5.18.3.Copying Objects implements Cloneable
5.18.4.Construct clone of an object
5.18.5.construct clone of an object and call constructor in the super class
5.18.6.public Object clone() throws CloneNotSupportedException
5.18.7.Cast after cloning
5.18.8.Shallow copy then deep copy
5.18.9.Uses serialization to perform deep copy cloning.
5.18.10.Deep clone Object
5.18.11.Deep clone serializing/de-serializng Clone
5.18.12.Serializable Clone
5.18.13.Manipulate properties after clone operation
5.18.14.Clone an object with clone method from parent
5.18.15.Arrays are automatically cloneable
5.18.16.A collection of utilities to workaround limitations of Java clone framework
5.18.17.Copy an serializable object deeply
5.18.18.Clone an array