Student Dana Alattas finished the unit Interface in course java113-ksu

Student Dana Alattas finished the unit slide-polymorphism113 in course java113-ksu

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

Student Dana Alattas finished the unit casting in polymorphizm in course java113-ksu

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