Quiz 4 - Answers

Data Types, Variables & Constants

Question 1.   

(b) int

Question 2.         

(d) String

Question 3.         

(d) _num

Variable names can start with a letter, underscore or $.  You cam also include numbers in the name but not at the beginning.

Question 4.   

int

byte

char

long

string

float

double

boolean

Question 5.         

(a) True

Question 6.         

(c) float

Question 7.         

(a) True

Question 8.    

(a) 'a'

Question 9.         

(b) "a" 

Question 10.   

(a) True

Question 11.   

final

Question 12.   

(c) the variables myData and MYdata are treated as the same variable by Java.  (definately false)

Question 13.   

(a) car is the name of a class.

Question 14.   

(a) public String myMethod(int n);

Question 15.   

(c) 7 Bluebirds

Each method had it's own separate copy of the variables a and s.  The values of a and s were passed to the birdWatch method.

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