Draw

1) A class Digram

2) A sequence Digrame start with the function f()

public class A private B bi private float ji public static void main(String l1 args)l Aa=new A(); a.f)i public A0 b=new B(); public void f) f b.h(this) public void g) class B private int i private String s = null; public void h (A a) a.g) System.out.println("i " + i)