Difference between revisions of "AP Computer Science"
From WLCS
| Line 14: | Line 14: | ||
* abstract keyword | * abstract keyword | ||
** Abstract classes walk-through (Animal->Mammal, Fish, Bird) | ** Abstract classes walk-through (Animal->Mammal, Fish, Bird) | ||
| + | ** Object instances of abstract classes are *not* allowed | ||
| + | ** Derived sub-classes of abstract classes must implement abstract methods (unless the sub-class is also abstract) | ||
== Tuesday (3/5/19) == | == Tuesday (3/5/19) == | ||
Revision as of 00:21, 11 March 2019
Thursday (3/7/19)
Agenda:
- Confirm that you have completed the Albert.io Inheritance & Polymorphism assignment
- Questions?
- Method overriding review & example
- Complete eIMACS: Lab 4: Inventory Tracking
- static keyword (for methods or for variables)
- binds the method or variable to the class NAME as opposed to the object instance
- static method example
- static variable example
- final keyword
- makes the variable unchangeable
- final variable example
- abstract keyword
- Abstract classes walk-through (Animal->Mammal, Fish, Bird)
- Object instances of abstract classes are *not* allowed
- Derived sub-classes of abstract classes must implement abstract methods (unless the sub-class is also abstract)
Tuesday (3/5/19)
Agenda:
- Confirm that you have completed Activity 19
- Complete the Albert.io Inheritance & Polymorphism assignment
- Complete eIMACS: Lab 4: Inventory Tracking
