第五个问题 按GBK编码、拼音首字母还是笔画排序?
学生类
public class Student {
private String id;
private String name;
private int age;
private String sex;
public Student(String id, String name, int age, String sex) {
this.id = id;
this.name = name;
this.age = age;
this.sex = sex;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
}
测试代码
import java.util.ArrayList;
import java.util.List;
public class Test {
public static void main(String[] args)
{
Student student1 = new Student("001", "张一", 18, "男");
Student student2 = new Student("002", "张二", 19, "男");
Student student3 = new Student("003", "张三", 20, "男");
Student student4 = new Student("004", "张四", 21, "女");
/** 将4个学生存入list*/
List<Student> students = new ArrayList<Student>();
students.add(student1);
students.add(student2);
students.add(student3);
students.add(student4);
/** 添加一个学生*/
students = addStudent( students, "0003", "王五", 23, "男" );
System.out.println("===========添加学生============");
/**将数组中顺序显示所有学生信息*/
showStudent(students);
/**将所有的学生增加一岁*/
addAge(students,1);
System.out.println("===========将所有的学生增加一岁============");
showStudent(students);
/**根据学号删除某个学生*/
students = delStudent( students, "003");
System.out.println("===========根据学号删除某个学生============");
showStudent(students);
System.out.println("===========将所有学生按姓名顺序输出============");
/**将所有学生按姓名顺序输出*/
showStudentName(students);
}
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