1008번 문제 public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); double a, b; a = sc.nextDouble(); b = sc.nextDouble(); System.out.println(a / b); sc.close(); } } 4 5 0.8

10998번 문제 public static void main(String[] args) { Scanner sc = new Scanner(System.in); int a, b; a = sc.nextInt(); b = sc.nextInt(); System.out.println(a * b); sc.close(); } } 5 6 30

문제 1001번 public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int a, b; a = sc.nextInt(); b = sc.nextInt(); System.out.println(a - b); sc.close(); } } 출력 3 2 1

문제 1000번 public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int a, b; a = sc.nextInt(); b = sc.nextInt(); System.out.println(a + b); sc.close(); } } 출력 1 2 3

문제 2557번 public class HelloWorld { public static void main(String[] args) { System.out.println("Hello World!"); } } Hello World!