Java - Method Chaining

// Init.java
package jason;

public class Init {

    public static void main(String[] args) {

        new Son().action0().action1();  // action0, action1
    }

}

// Son.java
package jason;

public class Son {

        public Son action0(){
            System.out.println("action0");
            return this;
        }

        public Son action1(){           //public void action1(){}
            System.out.println("action1");
            return this;
        }

}

// Son.java (passing value)
package jason;

public class Son {

        int cup;

        public Son action0(int cup){
            this.cup = cup;
            return this;
        }

        public Son action1(){       //public void action1(){}
            System.out.println(cup);
            return this;
        }

}