CodeTheta

With predefined values
Code:
class Addnum {
  public static void main (String args[])
  {
    int FirstNumber=1,SecondNumber=1,Result;
    Result=FirstNumber+SecondNumber;
    System.out.println("Result of two numbers: "+Result);
  }
}

Output : 
Result of two numbers: 2

With user input values
Code :
import java.util.Scanner;
class Add_num_by_user_input {
  public static void main (String args[])
  {
    int FirstNumber,SecondNumber,Result;
    System.out.println("Enter two number for addition: ");
    Scanner in = new Scanner(System.in);
    FirstNumber = in.nextInt();
    SecondNumber = in.nextInt();
    Result=FirstNumber+SecondNumber;
    System.out.println("Result is: "+Result);
  }
}

Output : 
Enter two number for addition:
3
4
Result is: 7

IDE Used To Test This Code : Dr Java

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