Home Web Board ProblemSet Standing Status Statistics Problem F: 求平均年龄 Problem F: 求平均年龄 Time Limit: 1 Sec Memory Limit: 128 MBSubmit: 720 Solved: 394[Submit][Status][Web Board] Description 定义一个Persons类,用于保存若干个人的姓名(string类型)和年龄(int类型),定义其方法 void ad
//Student package zuoye; public class Student { private String name; private int age; private int score; private String classNum; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { re
package homework003; import java.util.ArrayList; import java.util.List; public class Text { public static void main(String[] args) { List<Student> list = new ArrayList<>(); list.add(new Student("Tom",18,100,"class05")); lis