Subclass in super class

test.java

public class Test {
    public static void main(String... args) throws Exception {
        C c1 = new C()
            .<C>something()
            .<C>somethingElse()
            .<C>anotherSet();

        C c2 = new C()
            .<C>anotherSet()
            .<C>something()
            .<C>somethingElse();

        C c3 = new C()
            .<C>anotherSet()
            .<C>something()
            .<C>somethingElse();
    }

    public static class A {

        public <T> T something() {
            return (T)this;
        }
    }

    public static class B extends A  {

        public <T> T somethingElse() {
            return (T) this;
        }
    }

    public static class C extends B {

        public <T> T anotherSet() {
            return (T) this;
        }
    }
}