接口练习
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package demo;
interface Teach {
public void teach();
public void correctHomework() ;
}
//父类
package demo;
public abstract class People {
private String name;
private int age;
private char gender;
public People(String myName,int myAge,char myGender){ //通过构造函数初始化
name=myName;
age=myAge;
gender=myGender;
}
public String getName(){
return this.name;
}
//思考,子类必须对其重写
public abstract void think();
//子类可以不重写
public void speak(){
}
}
//学生类
package demo;
public class Student extends People {
private String grade;//班级
private String hobby;
public Student(String mygrade,String myhobby,String myName,int myAge,char myGender){
super(myName,myAge,myGender);
grade=mygrade;
hobby=myhobby;
}
//重写父类的getName方法
public String getName(){
return super.getName();
}
public void responsibility(){
System.out.println("学生的职责是学习");
}
public void task(){
System.out.println("学生的任务是写作业");
}
public void think(){
System.out.println("每天都得有进步,如果没有就小小的惩罚自己一下~~");
}
public void programmingLove(){//对编程的热爱度
int getnum=(int)(Math.random()*3);
switch (getnum) {
case 0:
System.out.println(this.getName()+"酷爱编程");
break;
case 1:
System.out.println(this.getName()+"喜欢编程");
break;
case 2:
System.out.println(this.getName()+"我比较喜欢编程");
break;
default:
System.out.println(this.getName()+"我会努力学习编程的") ;
break;
}
}
public void hobby(){
System.out.println("我喜欢:"+hobby);
}
}
//教师类
package demo;
public class Teacher extends People {
private double salary;//工资
private String school;//学校
public Teacher(Double mysalary,String myschool,String myName, int myAge,char myGender){
super(myName,myAge,myGender);
salary=mysalary;
school=myschool;
}
//重写父类的getName方法
public String getName(){
return super.getName();
}
public void think() {
System.out.println("为学生服务!我很开心");
}
public void helpStudent(){
}
}
//java老师类
package demo;
public class JavaTeacher extends Teacher implements Teach {
private String major;//学科
private String inclass;//所属班级
public JavaTeacher(String mymajor,String myinclass,Double mysalary,String myschool,String myName, int myAge,char myGender) {
super(mysalary,myschool,myName,myAge,myGender);//调用父类构造函数
major=mymajor;
inclass=myinclass;
}
// TODO Auto-generated constructor stub
public String getName(){ //重写父类方法
return super.getName();
}
public String getMymajor(){
return major;
}
public void teach(){//重写接口Teach的方法
System.out.println(this.getName()+"我教的是:"+this.getmymajor());
}
public void correcthomework(){//重写接口Teach的方法
System.out.println("我是:"+this.getName()+"我只批改Java作业,"+"请不要把其他作业给我。");
}
}
//测试老师类
package demo;
public class JavaTeacher extends Teacher implements Teach {
private String major;//学科
private String inclass;//所属班级
public JavaTeacher(String mymajor,String myinclass,Double mysalary,String myschool,String myName, int myAge,char myGender) {
super(mysalary,myschool,myName,myAge,myGender);//调用父类构造函数
major=mymajor;
inclass=myinclass;
}
// TODO Auto-generated constructor stub
public String getName(){ //重写父类方法
return super.getName();
}
public String getMymajor(){
return major;
}
public void teach(){//重写接口Teach的方法
System.out.println(this.getName()+"我教的是:"+this.getmymajor());
}
public void correcthomework(){//重写接口Teach的方法
System.out.println("我是:"+this.getName()+"我只批改Java作业,"+"请不要把其他作业给我。");
}
}
//数据库老师类
package demo;
public class SqlTeacher extends Teacher implements Teach {
private String major;//学科
private String inclass;//所属班级
public SqlTeacher(String mymajor,String myinclass,Double mysalary,String myschool,String myName, int myAge,char myGender) {
super(mysalary,myschool,myName,myAge,myGender);
major=mymajor;
inclass=myinclass;
}
// TODO Auto-generated constructor stub
public String getName(){ //重写分类方法
return super.getName();
}
public String getmymajor(){
return major;
}
public void teach() {
System.out.println(this.getName()+"我教的是:"+this.getmymajor());
}
public void correcthomework(){
System.out.println("我是:"+this.getName()+"我只批改sql作业,"+"请不要把其他作业给我。");
}
}
//生活老师类
package demo;
public class LifeTeacher extends Teacher {
private String apartment;//生活老师负责的公寓
private String task;//生活老师的任务
public LifeTeacher (Double mysalary,String myschool,String myApartment,String myTask ,String myName, int myAge, char myGender){
super( mysalary,myschool,myName, myAge, myGender);//调用父类构造函数
apartment=myApartment;
task=myTask;
}
//重写父类的getName方法
public String getName(){
return super.getName();
}
public String getapartment(){
return this.apartment;
}
public void manage(){
System.out.println(this.getName()+"管理"+this.getapartment()+"宿舍");
}
public void clean(){
System.out.println(this.getName()+"打扫公寓卫生");
}
}
//主类
package demo;
public class Test {
public static void sop(Object object){
System.out.println(object);
}
public static void main(String[] args) {
Student stu1=new Student("测试9班", "电影", "小红", 20, '女');//实例化对象
Student stu2=new Student("测试9班", "运动", "小明", 20, '男');
JavaTeacher jav=new JavaTeacher("java", "测试九班", 4000.00, "惠普实训基地", "于鹏", 27, '男');
TestTeacher tes=new TestTeacher("测试", "测试九班", 4000.00, "惠普实训基地", "韩昌佩", 26, '男');
SqlTeacher sql=new SqlTeacher("SQL", "测试九班", 4000.00, "惠普实训基地", "xxx", 26, '男');
LifeTeacher lif=new LifeTeacher(2500.00,"惠普实训基地" , "C3", "管理学生", "朱红", 24, '女');
sop("同学自我介绍:");
sop("--------------------------------");
stu1.responsibility();
stu1.task();
stu1.think();
stu1.Programminglove();
stu2.Programminglove();
sop("教师来了");
sop("--------------------------------");
jav.teach();
jav.correcthomework();
sop("--------------------------------");
tes.teach();
tes.correcthomework();
sop("--------------------------------");
sql.correcthomework();
sql.teach();
sop("--------------------------------");
lif.manage();
lif.clean();
}
}
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