hashtable Clone - Java java.util

Description

hashtable Clone

Demo Code

//package com.java2s;

import java.util.Enumeration;
import java.util.Hashtable;

public class Main {
    static Hashtable hashtableClone(Hashtable ht) {
        if (ht == null)
            return null;

        Hashtable htresp = new Hashtable();
        Enumeration e = ht.keys();

        while (e.hasMoreElements()) {
            Object element = e.nextElement();
            htresp.put(element, ht.get(element));
        }/*w  ww.  java  2  s.  co m*/
        return htresp;
    }

    static Hashtable hashtableClone(Hashtable ht1, Hashtable ht2) {
        if (ht1 == null && ht2 == null)
            return null;

        Hashtable htresp = new Hashtable();

        if (ht1 != null) {
            Enumeration e = ht1.keys();
            while (e.hasMoreElements()) {
                Object element = e.nextElement();
                htresp.put(element, ht1.get(element));
            }
        }
        if (ht2 != null) {
            Enumeration e = ht2.keys();
            while (e.hasMoreElements()) {
                Object element = e.nextElement();
                htresp.put(element, ht2.get(element));
            }
        }
        return htresp;
    }
}

• Previous
• Next

Related Tutorials

• Clone Hashtable, Returns an enumeration of the hashtable elements that is not changed by parallel changes to the hashtable.
• Returns an enumeration of the hashtable keys that is not changed by parallel changes to the hashtable.
• Create a Hashtable from a key, value, key, value...
• Returns string keys in a hashtable as array of string
• Returns string keys in a hashtable as delimited string