?? student.java
字號:
package dsa.element;
public class Student extends People{
private String sId; //學(xué)號
//Constructor
public Student() {
this("","","");
}
public Student(String name,String id,String sId){
super(name,id);
this.sId = sId;
}
public void sayHello(){
super.sayHello();
System.out.println("I am a student of department of computer science.");
}
//get & set method
public String getSId(){
return this.sId;
}
public void setSId(String sId){
this.sId = sId;
}
}
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