用JAVA编写程序显示某一科考试成绩，当输入100时显示“满分”、90-99显示“优秀”、80-89显示“良好”、70-79显示“中等”、60-69显示“及格”、 0-59显示“不及格”；其他数字输入则显示“非法输入”

import java.util.Scanner;

public class ExamScore {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int score = scanner.nextInt();

        if (score == 100) {
            System.out.println("满分");
        } else if (score >= 90 && score <= 99) {
            System.out.println("优秀");
        } else if (score >= 80 && score <= 89) {
            System.out.println("良好");
        } else if (score >= 70 && score <= 79) {
            System.out.println("中等");
        } else if (score >= 60 && score <= 69) {
            System.out.println("及格");
        } else if (score >= 0 && score <= 59) {
            System.out.println("不及格");
        } else {
            System.out.println("非法输入");
        }
    }
}