Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Set;

public class Main {
    public static void main(String[] args) {
        Hashtable<String, String> ht = new Hashtable<String, String>();

        ht.put("1", "One");
        ht.put("2", "Two");
        ht.put("3", "Three");

        Set st = ht.keySet();

        Iterator itr = st.iterator();

        while (itr.hasNext()) {
            System.out.println(itr.next());
        }
        st.remove("2");

        Enumeration e = ht.keys();
        while (e.hasMoreElements()) {
            System.out.println(e.nextElement());
        }
    }
}
/*
3
2
1
3
1
*/