1. 스캐너 import java.util.*; public class Main{ public static void main(String[] args) { Scanner scan=new Scanner(System.in); int x=scan.nextInt(); int y=scan.nextInt(); if(x>0) { if(y>0)System.out.println("1"); else System.out.println("4"); } else { if(y>0)System.out.println("2"); else System.out.println("3"); } } } 2. BufferedReader import java.io.BufferedReader; import java.io.IOException; impo..
