[1000/JAVA] A+B

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
	    sc.close();
        
	    System.out.println(a+b);
}
}

---

sc.close(); 

객체 종료해줌으로써 자원 낭비 줄임

https://blog.daum.net/leejuhee/4659035