How to compare three numbers in Java

import java.io.*;

public class q6

{

          public static void main(String args[]) throws Exception

          {

                   InputStreamReader in = new InputStreamReader(System.in);

                  

BufferedReader br = new BufferedReader(in);

                  

System.out.print("Enter first number : ");

                  

int n1=Integer.parseInt(br.readLine());

                  

System.out.print("Enter second number : ");

                  

int n2=Integer.parseInt(br.readLine());

                  

System.out.print("Enter third number : ");

                  

int n3=Integer.parseInt(br.readLine());

                  

                        System.out.println("\n");

                  

                        if((n1>n2) && (n1>n3))

                  

                             System.out.println("First number is greatest");

                  

else if((n2>n1) && (n2>n3))

                  

                             System.out.println("second number is greatest");

                  

else

                  

                             System.out.println("third number is greatest");

          }

}