Student Haya finished the unit what is class Object in java in course java113-ksu

Student Haya finished the unit casting in polymorphizm in course java113-ksu

Student Haya finished the unit ploy and abs in Array in course java113-ksu

Student Haya finished the unit Trace inheritance in course java113-ksu

Student Haya finished the unit Inherretance in course java113-ksu