2021-04-28(FeiGe-父类构造方法)

package FeiGe;

public class Customer extends Person{
private String customerId;
private String phone;
public Customer(){
}

public Customer (String CustomerId , String phone){
    super() ;  //调用父类构造方法， 可写可不写
    this.customerId = customerId;
    this.phone = phone;
}

public Customer(String name , String sex , String pwd , int age , String customerId , String phone){
    super( name , sex , pwd , age);
    this.customerId = customerId;
    this.phone = phone;
}

public String getCustomerId(){
    return customerId;
}

public void setCustomerId(String customerId){
    this.customerId = customerId;
}

public String getPhone(){
    return phone;
}

@Override
public String toString() {
    return "Customer{" +
            "customerId='" + customerId + '\'' +
            ", phone='" + phone + '\'' +
            '}';
}

public void setPhone(String phone){
    this.phone = phone;
}

}

package FeiGe;

public class Courier extends Person{
private String courierId;

//  getter & setter

//  Constructor  构造方法

public String getCourierId() {
    return courierId;
}

public void setCourierId(String courierId) {
    this.courierId = courierId;
}

//  toString
@Override
public String toString() {
    return "Courier{" +
            "courierId='" + courierId + '\'' +
            '}';
}

}