我查看了此链接,但并没有真正理解克隆的含义
无论如何,关于我的问题,所以我有一个类从另一个类继承两个属性,它继承的类具有 set/get 方法和一个复制构造函数。
我想在继承类中实现一个复制构造函数(忽略代码中的注释)
public class Instructor extends Person{
//officeNumber represents the office number where instructors can be found
private String officeNumber;
//constructor allows user to define first and last name and office number in demo
public Instructor(String fName, String lName, String officeNumber) {
super(fName, lName);
this.officeNumber=officeNumber;
}
}
我想把复制构造函数放在这里,到目前为止我所能做的就是这个,但我不能只将一个对象传递给演示类中的另一个构造函数,我必须包含全名
public Instructor(String fName, String lName,Instructor object2) {
super(fName,lName);
officeNumber=object2.officeNumber;
}
//get method for field
public String getOfficeNumber() {
return officeNumber;
}
}
如果有任何帮助,这是它继承的类
public class Person {
//firstName represents the first name of a person
private String firstName;
//lastName represents the last name of a person
private String lastName;
//constructor allows programmer to define first and last name of object in demo
public Person(String firstName, String lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
//copy constructor
public Person(Person object2) {
firstName = object2.firstName;
lastName = object2.lastName;
}
//get methods for fields
public String getFirstName() {
return firstName;
}
public String getLastName() {
return lastName;
}
}