If语句

If

package Scanner;

import java.util.Scanner;

public class IfDemo2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int score = scanner.nextInt();
        if(score>60){                    //如果score大于60，则输出及格。
            System.out.println("及格");
        }
        System.out.println("不及格");
        scanner.close();

    }
}

If else

package Scanner;

import java.util.Scanner;

public class IfDemo1 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.println("请输入成绩：");

        int score = scanner.nextInt();

        if(score==100){                    //如果成绩等于100，则输出恭喜满分。
            System.out.println("恭喜满分");
        }else if(score<100 && score>=90){
            System.out.println("优秀");
        }else if(score<90 && score>=80){
            System.out.println("良好");
        }else if(score<80 && score>=70){
            System.out.println("一般");
        }else if(score<70 && score>=60){
            System.out.println("及格");
        }else if(score<60){
            System.out.println("不及格");
        }

        scanner.close();
    }
}