How to itreate objects in Map?

Map: It can be used to store group of objects in the of name value pairs.

package com.centris.atr.bean;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

public class IterateMap {
     public static void main(String[] args) {
        Map m=new HashMap();
        m.put(1, "bhaskar");
        m.put(2,"Ajantha");
        m.put(3, "prathap");
        Set s=m.entrySet();
        Iterator it =s.iterator();
        while(it.hasNext())
        {
            System.out.println(it.next());
        }
    }

}

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