创建一个学生类并使用该类编程
1) 创建Student类,包括的域有学号、班号、姓名、性别年龄,且都是private类型;
2) 声明一个构造函数,以初始化对象的所有域并记录生成学生的个数;
3) 声明获得各属性的public方法,声明修改各属性的方法;
4) 声明一个public的toString方法,把该类中所有域的信息组合成一个字符串,使用以下格式进 行格式化:”学号:%s\t班号:%s\t姓名:%s\t性别:%s\t年龄:%d”;
代码片如下:
public class network6_2 {
public static void main(String args[]) {
Student s1 = new Student("001", "9801", "张三", "男", 24);
System.out.println("构造s1 后, 班级人数为: " + Student.getCount());
Student s2 = new Student("002", "9801", "李四", "女", 21);
System.out.println("构造s2 后, 班级人数为: " + Student.getCount());
s1.setName("王平");
s2.setAge(19);
System.out.println(s1.toString());
System.out.println(s2.toString());
if (s1.getAge() > s2.getAge())
System.out.println("年龄较大人的名字为:" + s1.getName());
else
System.out.println("年龄较大人的名字为:" + s2.getName());
}
}
// 请在本行之后添加你的代码内容
class Student {
private String studentID;
private String clssID;
private String name;
private String sex;
private int age;
private static int count;
public static int getCount() {
return count;
}
public Student(String studentID, String clssID, String name, String sex, int age) {
this.studentID = studentID;
this.clssID = clssID;
this.name = name;
this.sex = sex;
this.age = age;
count++;
}
@Override
public String toString() {
return String.format( "学号:%s\t班号:%s\t姓名:%s\t性别:%s\t年龄:%d",studentID,clssID,name,sex,age );
}
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 static void setCount(int count) {
Student.count = count;
}
}
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