Web Programming with Java Java - Object-Oriented Programming

Outline Objects and Classes OOP Concepts Encapsulation Aggregation/Composition Inheritance & Polymorphism Some useful Java classes Exception Handling, I/O Readings & Exercise Discussion .Objects and Classes Basic OO concepts Object, class, state, behavior, message Creating Java classes, objects, properties and methods Constructors Package Reference data type Variable scope Basic OO concepts : Object Object: any thing, which can be described by State: property, or attribute Behavior: function/action, or method: ask the object to perform a task Example A student, a desk, a circle, a button, and even a loan...