Java simple user interactive programs

Write a java program to read 2 numbers and find their sum

import java.io.*;

class sum

{

                public static void main(String args[])

                {

                int a,b,sum;

                BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

                      try

                      {

                System.out.println("Enter the first number");

                a=Integer.parseInt(br.readLine());

                System.out.println("Enter the second number");

                b=Integer.parseInt(br.readLine());

                sum=a+b;

                System.out.println(“sum of the numbers is“+sum);

                       }

                       catch(IOException obj)

                       {}

                }

}

Write a java program to read 5 marks of a student and find the total and average

import java.io.*;

class marklist

{

                public static void main(String args[])

                {

                int m1,m2,m3,m4,m5,tot;

                BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

                      try

                      {

                System.out.println("Enter the marks for the 5 subjects");

                m1=Integer.parseInt(br.readLine());

                m2=Integer.parseInt(br.readLine());

                m3=Integer.parseInt(br.readLine());

                m4=Integer.parseInt(br.readLine());

                m5=Integer.parseInt(br.readLine());

                tot=m1+m2+m3+m4+m5;

                avg=tot/5;

                System.out.println(“Total marks:“+tot);

                System.out.println(“Average:“+avg);

                       }

                       catch(IOException obj)

                       {}

                }

}