public class Ex05 { public static void main(String[] args){ int score = 82; String grade = ""; System.out.println("Score : "+score); if(score > 90){ grade = "A"; if(score > 88) grade += "+"; else if(score = 80){ grade = "B"; if(score > 78) grade += "+"; else if(score = 70){ grade = "C"; } System.out.println(grade + "등급"); } }