package com.heima.test;
import java.util.Comparator;
import java.util.Scanner;
import java.util.TreeSet;
import com.heiam.bean.Student;
public class Test {
键盘录入5个学生信息(姓名,语文成绩,数学成绩,英语成绩),按照总分从高到低输出到控制台。
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("请输入学生成绩格式是:姓名,语文成绩,数学成绩,英语成绩");
TreeSet<Student> ts = new TreeSet<>(new Comparator<Student>() {
@Override
public int compare(Student s1, Student s2) {
int num = s2.getSum() - s1.getSum();
return num == 0 ? 1 : num;
}
});
while(ts.size() < 5) {
String line = sc.nextLine();
String[] arr = line.split(",");
int chinese = Integer.parseInt(arr[1]);
int math = Integer.parseInt(arr[2]);
int english = Integer.parseInt(arr[3]);
ts.add(new Student(arr[0], chinese, math, english));
}
System.out.println("排序后的学生信息:");
for (Student s : ts) {
System.out.println(s);
}
}
}
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