Main.java

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 */
package git;
import java.util.Scanner;
/**
 *
 * @author Haran
 */
public class GIT {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        int a;
        int b;
        String operation;
        int answer;
        Scanner scan = new Scanner(System.in);
        System.out.println("welcome to my calculator");
        System.out.println("Enter first number :");
        a = scan.nextInt();
        System.out.println("Enter Second number :");
        b = scan.nextInt();
        System.out.println("Enter operation :");
        operation = scan.next();
        
        if ("+".equals(operation)){
            answer = add(a,b);
            System.out.println("Answer is " + answer);
        }else{
            System.out.println("Unsupported operation");
        }
        
    }
    public static int add(int a, int b){
        return a+b;
    }
}