OOP introduction

A self-check for you: nothing is graded, saved or sent anywhere. Choose an answer, then check it. You can try again as often as you like.

1. 1A main problem of parallel arrays for accounts is:O1

   ARelated data is split and unprotectedBThey are too fastCJava forbids arraysDThey use no memory
2. 2OOP groups together:O1

   AOnly variablesBOnly methodsCData and the methods that use itDOnly files
3. 3Adding a currency field in the array version most likely requires:O1

   ANothingBChanging every array and method involvedCA new JVMDDeleting the class
4. 4The balance of an account is:O2

   ABehaviorBA packageCA classDState
5. 5"Deposit" is:O2

   AStateBA fieldCBehaviorDAn object
6. 6Two accounts built from the same class:O2

   AEach has its own stateBShare one balanceCCannot coexistDMust have the same owner
7. 7A class is best described as:O3

   AA running thingBA blueprintCA variableDA loop
8. 8An object is also called a(n):O3

   ABlueprintBCompilerCPackageDInstance
9. 9How many objects can one class create?O3

   AExactly oneBAt most twoCAs many as neededDNone
10. 10When hunting nouns in a description, you should:O2

    AKeep only nouns with relevant state and behaviorBMake a class for every nounCIgnore verbsDUse only verbs