max.java

import java.util.*;
class max
 {
 public static void main(String[] args) 
{
 try
{
 Scanner input = new Scanner(System.in);
 System.out.print("enter the size of the array:- ");
 int size = input.nextInt();
 int[] arr = new int[size];
 System.out.println("enter the values in the array:- ");
 for(int i=0;i<size;i++)
{
 arr[i] = input.nextInt();
 }
 Arrays.sort(arr);
 System.out.print("enter the Mth max number:- ");
 int m = input.nextInt();
 System.out.print("enter the Nth min number:- ");
 int n = input.nextInt();
 int max=0,min=0;
 if(m==0)
 System.out.println("please enter the valid input");
 else
{
 max = arr[arr.length-m];
 min = arr[n-1];
 System.out.println("the max is "+max);
 System.out.println("the min is "+min);
 System.out.println("the sum is: "+(max+min));
 System.out.println("the min is: "+(max-min));
 }
}
 catch(Exception e)
 {
   System.out.println("Enter only numbers");
 }
}
}