8.11 应用举例

8.11 应用举例

/* * 统计每个学生三门考试课程总成绩，程序运行时，用户输入学生相关信息，程序将输出总成绩 */public class Example8_24 {public static void main(String[] args) {// TODO Auto-generated method stubString mess = null;Scanner scanner = new Scanner(System.in);System.out.println("输入格式：姓名 分数1 分数2 分数3");mess = scanner.nextLine();String name = "";double sum = 0;while (!mess.startsWith("end")) {Scanner scanner2 = new Scanner(mess);sum = 0;while (scanner2.hasNext()) {try {double score = scanner2.nextDouble();sum=sum+score;} catch (InputMismatchException e) {name = scanner2.next();}}System.out.println(name + "总成绩：" + sum);System.out.println("\t(输入end结束成绩统计)\n");mess = scanner.nextLine();System.out.println("已结束统计");}}} /*  * 输入格式：姓名 分数1 分数2 分数3张三 21 21 21张三总成绩：63.0(输入end结束成绩统计)  */