JAVA链式编程

public class Dog {
    private String color;
    private Integer age;
    private String name;

    public String getColor() {
        return color;
    }

    public Dog setColor(String color) {
        this.color = color;
        return this;
    }

    public Integer getAge() {
        return age;
    }

    public Dog setAge(Integer age) {
        this.age = age;
        return this;
    }

    public String getName() {
        return name;
    }

    public Dog setName(String name) {
        this.name = name;
        return this;
    }

    @Override
    public String toString() {
        return "Dog{" +
                "color='" + color + '\'' +
                ", age=" + age +
                ", name='" + name + '\'' +
                '}';
    }
}

     @Test
    public void fun19() {
        Dog dog=new Dog();
        //常规赋值风格
        dog.setName("大狗");
        dog.setColor("黑色");
        dog.setAge(12);
        System.out.println("常规赋值风格====="+dog);

        //链接编程风格
        Dog dog1=new Dog();
        dog1.setName("小狗").setColor("金黄色").setAge(10);
        System.out.println("链接编程风格====="+dog);
    }