學習內容：實驗二以人類 Person 為基類設計學生類 Student 和教師類 Teacher
示例代碼：
package 實驗二;
import java.util.Scanner;
class Person{
private String no;
private String name;
public Person(String no,String name) {
this.no=no;
this.name=name;
System.out.println("Person Constructorrun");
}
public void setNo(String no) {
this.no=no;
}
public String getNo() {
return no;
}
public void setName(String name) {
this.name=name;
}
public String getName() {
return name;
}
public void show() {
System.out.println("No="+no+",Name="+name);
}
}
class Student extends Person{
private String no;
private String name;
private String sNo;
private String className;
private double score;
public Student(String no, String name,String sNo,String className,double score) {
super(no,name);
this.no=no;
this.name=name;
this.sNo=sNo;
this.className=className;
this.score=score;
System.out.println("Student Constructor run");
}
public void setSNo(String sNo) {
this.sNo=sNo;
}
public String getSNo() {
return sNo;
}
public void setClassName(String className) {
this.className=className;
}
public String getClassName() {
return className;
}
public void setScore(double score) {
this.score=score;
}
public double getScore() {
return score;
}
public void show() {
System.out.println("No="+no+",Name="+name);
System.out.println("SNo="+ sNo+",ClassName="+ className+",Score="+score);
}
}
public class Teacher extends Person {
private String no;
private String name;
private String tNo;
private String departmentName;
private double wages;
public Teacher(String no,String name,String tNo,String departmentName,double wages) {
super(no, name);
this.no=no;
this.name=name;
this.tNo=tNo;
this.departmentName=departmentName;
this.wages=wages;
System.out.println("Teacher Constructor run");
}
public void setTNo(String tNo){
this.tNo=tNo;
}
public String getTNo() {
return tNo;
}
public void setDepartmentName(String departmentName) {
this.departmentName=departmentName;
}
public String getDepartmentName() {
return departmentName;
}
public void setWages(double wages) {
this.wages=wages;
}
public double getWages() {
return wages;
}
public void show() {
System.out.println("No="+no+",Name="+name);
System.out.println("TNo="+ tNo+",DepartmentName="+ departmentName+",Wages="+wages);
}
public static void main(String[] args) {
// TODO 自動生成的方法存根
String s1="130502190001010332";
String s2="doublebest";
String s3="20181234";
String s4="鐵 1801";
double value=60.67;
Student stu1=new Student(s1,s2,s3,s4,value);
stu1.show();
Student stu2=stu1;
Scanner sc1=new Scanner(System.in);
s3=sc1.next();
Scanner sc2=new Scanner(System.in);
s4=sc2.next();
Scanner sc3=new Scanner(System.in);
value=sc3.nextDouble();
stu2.setSNo(s3);
stu2.setClassName(s4);
stu2.show();
Teacher t1=new Teacher(s1,s2,s3,s4,value);
t1.show();
Teacher t2=t1;
t2.setTNo(s3);
t2.setDepartmentName(s3);
t2.show();
}
}
運行截圖：
明天任務：以圓類 Circle 為基礎設計球類 Sphere