It is a simple add method with only 5 or 6 lines of code. The following are hint

Question

It is a simple add method with only 5 or 6 lines of code.

The following are hints given:

It should have an if statement. This add method determines what number greater than or less than the other number, than it adds the positive or negative. I think this should be a private method.

The code should pattern after b1=b2+b3, ex: b1= b2add(b3) (not b1=add(b2,b3).

It should add arrays and array lists.

(It has been said that this add method doesn't technically add at least until the end but focuses on the signs.(pos or neg))

Also I would like it to accept the numbers from the keyboard, not have them assigned in there.

Explanation / Answer

import java.util.Scanner;
public class Addition {
static Scanner in = new Scanner(System.in);
int num;
public static void main(String[] args) {
  
  Addition b1=new Addition();
  Addition b3=new Addition();
  Addition b2=new Addition();
  System.out.println("Enter first number");
  int num1=Integer.parseInt(in.nextLine());
  b2.num=num1;
  System.out.println("Enter first number");
  int num2=Integer.parseInt(in.nextLine());
  b3.num=num2;
  b1=b2.add(b3);
  if(b1.num>0)
  System.out.println("Sum : +"+b1.num);
  else
  System.out.println("Sum : "+b1.num);
  
}

public Addition add(Addition a)
{
  Addition temp=new Addition();
  temp.num=this.num+a.num;
  return temp;
}
}

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