Wap to add two numbers and display results?

class addition
{
public static void main(String[] args) 
{
int a=12,b=13,c;
c=a+b;
System.out.println("Value of a="+a);
System.out.println("Value of b="+b);
System.out.println("Sum="+c);
}
}

O/P:-
    Value of a=12
    Value of b=13
    Sum=25


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*  Uning Class and Object sum of two number.

import java.util.Scanner;
class Add
{
Scanner sc=new Scanner (System.in);
int a,b;
void addition()
{
System.out.println("Enter Two Number");
a=sc.nextInt();
b=sc.nextInt();
}
void display()
{
System.out.println("Sum="+(a+b));
}
}
class Add1 
{
public static void main(String[] args) 
{
Add p=new Add();
p.addition();
p.display();
}
}