FirstTask

FirstTask

1. An object must have attributes and actions it can perform, but it can also be on or the other

   • Actions are reffered to as methods
     • Can be void, method returns nothing
   • Attributes referred to as fields
     • Fields are variables
     • Fields can refer to another object
   • Constructor used to construct an object
   • Common way of creating object: using "new" keyword
   • "This" keyword to refer to current object

2. A class is a blueprint/template to create objects that are identical

   • Must consider: class name, fields, and methods
   • Class must have at least one constructor

3. UML Class Diagram: top - class name, middle - fields, bottom - methods

4. "Final" makes the value of variable declaration unchangeable

5. Garbage collector destroys unused objects and clears memory