3) create a class nared A. Your A class should have the tolowing he following: private instance variable type int named x public static variable type int named y initialized to 5 constructor with no parameters that initializes x to 99 constructor with one parameter that initializes x to the parameter public instance method f that returns an int and has one parameter f should return the sum of x and its parameter. public static method g that displays "hello" Create another class named B. Your B class should contain the main method. Your main method should Create an A object using constructor with one parameter, passing 10 Invoke the f method in this object passing it 100 Display the value in y in class A Invoke the g method in class A