Java Important Programs

package java3;

import java.util.HashMap;

import java.util.Map;

import java.util.Set;

public class met{

      public static String output1;

      public static void fn(Map<Integer, String> m1) {

            Set<Integer> s = m1.keySet();

            int max = 0;

            for (Integer i : s) {

                  if (i > max) {

                        max = i;

                        output1 = m1.get(i);

                  }

            }

      }

      public static void main(String[] args) {

            Map<Integer, String> m1 = new HashMap<Integer, String>();

            m1.put(12, "amron");

            m1.put(9, "Excide");

            m1.put(7, "SF");

            fn(m1);

            System.out.println(output1);

      }

}