5 Written Questions

1. Bob is part of dev team object , with Jill, designer object, & Jack project manager object
2. Bob is based on another object called Programmer
3. also know as "composition", ability to combine several objects into a new one
4. Class = blueprint, recipe
   note: no classes in js, everything is based on objects, it is prototypal OO language
5. ability to to call the same method on different objects — each respond in their own way

5 Multiple Choice Questions

1. Object contains both: data stored in properties
   Means to do something w the data (using methods)
   1. properties
   2. ENCAPSULATION
   3. AGGREGATION
   4. CLASSES
2. designer, project manager & programmer are all based on and extend a person object
   1. inheritance
   2. methods
   3. properties
   4. OBJECTS
3. Bob holds data (e.g. birth date) and methods that work with the data (e.g. calculate age)
   1. AGGREGATION
   2. CLASSES
   3. properties
   4. encapsulation
4. you can call methods Bob:talk, Jill:talk & Jack:talk and all will work fine producing different results. each "object" inherited the "method" talk from Person and customized it
   1. aggregation, composition
   2. information hiding
   3. polymorphism, method overriding
   4. PLOYMORPHISM
5. Bob's date of birth is June 1st, 1980, gender: male, hair: black
   1. OBJECTS
   2. AGGREGATION
   3. methods
   4. properties

5 True/False Questions

1. objects → Bob can eat sleep drink dream talk calculate his age

   True        False

2. OBJECTS → Bob can eat sleep drink dream talk calculate his age

   True        False

3. methods → Class = blueprint, recipe
   note: no classes in js, everything is based on objects, it is prototypal OO language

   True        False

4. information hiding → reuse code already written. in javascript objects inherit from other objects, usually adds new methods (verb) to inherited ones — "extending" the old object "B inherits from A" & "B extends A"
   note: object that inherits methods can pick one or more and redefine them, customizing or "overriding"

   True        False

5. INHERITANCE → Bob's date of birth is June 1st, 1980, gender: male, hair: black

   True        False