MathBits.com
Return to Unit Menu | Java Main Page | MathBits.com | Terms of Use  | Java Resource CD

Multiple Choice Java Quiz


Directions:  Choose the best answer.  Use the button at the bottom
to check your answers.

 
 1.  The following code will allow the program to obtain a name from the keyboard    String name = Console.readLine("Enter name);
     [a] true
     [b] false
 

2.  The method length( ) will return an integer which represents the length of a string value.

     [a] true
     [b] false


3.  The name of a variable is known as its:
     [a] identifier
     [b] constant
     [c] data type
     [d] base
 

4.  All variables must be declared before they can be used.
     [a] true
     [b] false
 

5.  All strings end with a null zero inside memory.
     [a] true
     [b] false
 

6.  Variable names may begin with a number.
     [a] true
     [b] false
 

7.  The Console commands require that BreezyGUI be imported.
     [a] true
     [b] false
 

8.  In Java, 5/2 =
     [a] 2
     [b] 2.5
     [c] 3
     [d] none of the above


9.  In Java, the % refers to
     [a] percentages
     [b] modulus operator
     [c] division
     [d] data storage
 

10.  The method toLowerCase( ) changes all lowercase letters to uppercase and all uppercase letters to lowercase.
     [a] true
     [b] false
 

11.  Variables that describe the data stored at that particular memory location are called
     [a] identifiers
     [b] constant variables
     [c] floating point variables
     [d] mnemonic variables
 

12.  Array indexing always starts with the number
     [a] 0
     [b] 1
     [c] 2
     [d] /0
 

13.  The following statement is valid  double price = 7,450.98;
     [a] true
     [b] false
 

14.  In Java, 12%5 =
     [a] 1
     [b] 2
     [c] 3
     [d] 4
 

15.  The method indexOf(",") will allow you to search for the location of a comma.
     [a] true
     [b] false
 

16.  Mathematicians and computers interpret the equal sign (=) in the same way.
     [a] true
     [b] false
 

17.  A character variable may contain up to seven letters.
     [a] true
     [b] false
 

18.  When a data type must contain decimal numbers, assign the type
     [a] int
     [b] char
     [c] double
     [d] long int

 
19.  Variables that are declared, but not initialized, contain
     [a] blank spaces
     [b] zeros
     [c] "garbage" values
     [d] nothing - they are empty
 

20.  A variable is given a value through
     [a] osmosis
     [b] as assignment statement
     [c] the import statements
     [d] the public class declarations
 

 

                                                                                                              


Return to Unit Menu | Java Main Page | MathBits.com | Terms of Use  | Java Resource CD