View Code of Problem 1

import java.util.Scanner;

public class helloword {
   public static void main(String[] args){
	   Scanner sc = new 
			   Scanner(System.in);
	   int a=sc.nextInt();
	   int b=sc.nextInt();
	   System.out.println(a+b);
	   
   }
}
/*
Main.java:3: error: class helloword is public, should be declared in a file named helloword.java
public class helloword {
       ^
1 error
*/