Program to find the largest number of the given five numbers in Java

import java.io.DataInputStream;   // to load DataInputStream class 


class P11
{
public static void main(String args[])
{
int n1 , n2 , n3 , n4 , n5 , max ;


// creating object of class DataInputStream.
                DataInputStream in = new DataInputStream(System.in); 


try
{
System.out.print("Enter the First Number :");
n1 = Integer.parseInt(in.readLine());
System.out.print("Enter the Second Number :");
n2 = Integer.parseInt(in.readLine());
System.out.print("Enter the Third Number :");
n3 = Integer.parseInt(in.readLine());
System.out.print("Enter the Fourth Number :");
n4 = Integer.parseInt(in.readLine());
System.out.print("Enter the Fifth Number :");
n5 = Integer.parseInt(in.readLine());


if (n1 > n2)
max = n1 ;
else
max = n2 ;


if (n3 > max)
max = n3 ;


if (n4 > max)
max = n4 ;


if (n5 > max)
max = n5 ;


System.out.println("The maximum number of the given five numbers is "+max);
}


catch(Exception e) {  System.out.println("I/O Error");   }
}
}