Java实例-输入学生成绩,计算出平均分,并判断及格人数和不及格人数

    xiaoxiao2021-03-25  243

    package com.minrisoft; import java.util.Scanner; public class StudentDemo { public static void main(String args[]){ Scanner sc = new Scanner(System.in); int num_1 = 0;//记录人数 double mean;//记录平均值 int num_2 = 0;//记录总分 int fail = 0;//记录不及格 int pass = 0;//记录及格 System.out.println("请依次输入10个学生的成绩"); for(int i = 1;i<11;i++){ int student_num = sc.nextInt(); num_2 += student_num; num_1 ++; if (student_num < 60){ fail ++; } else{ pass ++; } } mean = (double) num_2 / num_1; System.out.println("及格人数有:" + pass); System.out.println("不及格人数有:" + fail); System.out.println("平均成绩为" + mean); } }
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