Java 实体类实现链式操作代码实现

public class Persion {
    private int id;
    private String name;
    private String phoneNumber;
    private String address;
    public  Persion() {
    }
    public Persion setId(int id) { 
        this.id = id;
        return this;
    }
    public Persion setName(String name) {
        this.name = name;
        return this;
    }
    public Persion setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
        return this;
    }
    public Persion setAddress(String address) {
        this.address = address;
        return this;
    }
    public Persion printId() {
        System.out.println(this.id);
        return this;
    }
    public Persion printName() {
        System.out.println(this.name);
        return this;
    }
    public Persion printPhoneNumber() {
        System.out.println(this.phoneNumber);
        return this;
    }
    public Persion printAddress() {
        System.out.println(this.address);
        return this;
    }
}


public class Test {
    public static void main(String[] args) {
        Persion persion1 = new Persion();
        persion1.setId(3).setName("John")
                .setPhoneNumber("1111111").setAddress("US");
        persion1.printId()
                .printName()
                .printPhoneNumber()
                .printAddress();
    }
}