Types of Maps in Java Programming

 Types of Maps in Java Programming

I/p:

5

vishnu 1

tilak 2

tharun 3

vignesh 4

vinoth 5

O/p:

{tilak=2, vishnu=1, tharun=3, vignesh=4, vinoth=5}

{vishnu=1, tilak=2, tharun=3, vignesh=4, vinoth=5}

{tharun=3, tilak=2, vignesh=4, vinoth=5, vishnu=1}

PROGRAM:

import java.util.*;

public class Map1 {

    

    public static void main(String args[])

    {

        Scanner sc=new Scanner(System.in);

        int iNum=sc.nextInt();

        HashMap<String,Integer> hm=new HashMap<>();

        LinkedHashMap<String,Integer> lhm=new LinkedHashMap<>();

        TreeMap<String,Integer> tm=new TreeMap<>();

        for(int i=0;i<iNum;i++)

        {

            String a=sc.next();

            int b=sc.nextInt();

            hm.put(a,b);

            lhm.put(a,b);

            tm.put(a,b);

        }

        System.out.println(hm);

        System.out.println(lhm);

        System.out.println(tm);

    }

}

// I/p:

// 5

// vishnu 1

// tilak 2

// tharun 3

// vignesh 4

// vinoth 5

// O/P:

// {tilak=2, vishnu=1, tharun=3, vignesh=4, vinoth=5}

// {vishnu=1, tilak=2, tharun=3, vignesh=4, vinoth=5}

// {tharun=3, tilak=2, vignesh=4, vinoth=5, vishnu=1}