Find Largest two number in array in java

package com.tutorial4u;

import java.util.Scanner;

public class LargestTwoNumber {

       public static void main(String[] args) {

             int num ,temp;

             System.out.print("Enter element what you want in array : ");

             Scanner sc  = new Scanner(System.in);

             num = sc.nextInt();

             int a[] = new int[num];

             System.out.println("Enter all the element : ");

             for(int i=0;i<num;i++){

                    a[i]=sc.nextInt();

             }

             for(int i=0;i<num;i++){

                    for(int j=i+1 ;j<num;j++){

                           if(a[i]<a[j]){

                                 temp = a[i];

                                 a[i] = a[j];

                                 a[j] = temp;

                           }

                    }

             }

             System.out.println("Largest two number in array is "+a[0]+","+a[1]);

            

       }

}

Output:

Enter element what you want in array : 4

Enter all the element :

12

23

54

10

Largest two number in array is 54,23