Java- /* //도전 3-1 import java.io.IOException; public class t1 { public static void main(String[] args)throws IOException { int ch = 0; System.out.print("문자 한개를 입력하셈 : "); ch = System.in.read(); //변수ch가 대문자이면 if(ch >= 65 && ch b) { big = a; small = b; } else { small = a; big = b; } System.out.println("최대값 :"+ big); System.out.println("최소값 :"+ small); } } */ ---------------------------------------..