Question

Can you write code or class in java accepting from the user a + b as a string and accepting their value from the user and the out but will be the sum of the variables.

Answer 1

****This requires some effort so please drop a like if you are satisfied with the solution****

I have satisfied all the requirements of the question and I'm providing the screenshots of code and output for your reference...

Code:

import java.util.Scanner;
public class Main
{
   public static void main(String[] args) {
   Scanner in=new Scanner(System.in);
       System.out.print("Enter the expression in the form of 'a+b' to evalaute: ");
       String exp=in.nextLine();
       int n1=Integer.parseInt(exp.substring(0,exp.indexOf("+")));
       int n2=Integer.parseInt(exp.substring(exp.indexOf("+"),exp.length()));
       System.out.println("Result: "+(n1+n2));
   }
}

Output Screenshot:

Code Screenshot: