Fundamentals Final (Ch 1-7)
Settings
- 1.This is how you create a Java multi-line comment to place the following into a comment. /* Replace the image on the screen and then move it right 10 pixels */
- A.
True
- B.
False
- 2.Suppose you are given a variable named temperature that holds a value. This is how you would write an if-else statement that will display Above Freezing if temperature is greater than 32, Freezing if temperature is equal to 32, else it will display At or Below Freezing. if (temperature > 32) System.out.println("Above Freezing"); else (temperature == 32) System.out.println("Freezing"); else System.out.println("At or Below Freezing");
- A.
True
- B.
False
- 3.Simplify the following expressions to either true or false: Given: x is an integer variable holding the value 3 y is an integer variable holding the value -5 z is an integer variable holding the value -4 (x > z) || (y < z) && !(y < x)
- A.
True
- B.
False
- 4.True of False. Java is not case-sensitive
- A.
True
- B.
False
- 5.This is how you write an if-else statement that will display JCCC 45% of the time, else it will display Cavaliers. if (Greenfoot.getRandomNumber(100) < 45) System.out.println("JCCC"); else System.out.println("Cavaliers");
- A.
True
- B.
False
- 6.Write a statement that will declare an integer instance variable called count and set its initial value to 0.
- A.
Public int count = 0;
- B.
Public count = 0;
- C.
Public void count();
- 7.To pass additional data to a method we specify a
- A.
Return type
- B.
Name
- C.
Parameter
- D.
Parenthesis
- 8.A compiler
- A.
Translates source code into executable code
- B.
Tests a program's logic
- C.
Translates executable code to machine code
- D.
Maintains a collection of programs
- 9.In object-oriented programming a class is
- A.
A group of people sharing the same relationship to the means of production.
- B.
A procedure for a calculation inside a program.
- C.
The term used for programs
- D.
A model or template from which objects are created
- 10.Write one statement that declares a local variable named city and initializes it to Overland Park.
- A.
String city = “Overland Park”;
- B.
String[“Overland Park];
- C.
City = “Overland Park”;
- 11.The best example for the correct way to name a class is
- A.
Bank account
- B.
BankAccount
- C.
Bank_Account
- D.
BankAccount
- 12.Write a method signature for a method named "randomMove". The method has no parameters, and it does not return a value.
- A.
Public randomMove()
- B.
Public void randomMove()
- C.
Public void randomMove
- 13.What the value of x is at the end: int i=0; int x=0; while (i < 4) { x = x + i; i++; }
- A.
1
- B.
2
- C.
3
- D.
4
- 14.Given the following variable declarations, evaluate the following Boolean expression: int a= 7; int b = 12; int c = 12; int d = 7; (a ==c ||a ==b)
- A.
True
- B.
False
- 15.Variable Declarations need a data type and a variable name
- A.
True
- B.
False
- 16.Which of the following is not a data type in Java?
- A.
Int
- B.
Double
- C.
Boolean
- D.
String
- E.
Constant
- 17.An identifier can be named in Java using letters, digits, underscores and the $ sign. They may not begin with an underscore.
- A.
True
- B.
False
- 18.Mark the following identifiers that are valid names to use in Java.
- A.
7days
- B.
_days
- C.
NumDays
- D.
$days
- E.
Num.days
- 19.Which is the best declaration for a variable that will hold monthly rainfall. It is initialized to 0?
- A.
Float totalMonthlyRainfall = 0.0 ;
- B.
Int totalMonthlyRainfall = 0;
- C.
Float totalMonthlyRainfall;
- D.
Int totalMonthlyRainfall;
- 20.Practice with logical operators Given: int age1 = 21; int age2 = 14; int age3 = 15; int birth = 0; String name = “JCCC”; age1 < age2 && age2 < age3
- A.
True
- B.
False
- 21.Given the code below, what are the local variables? public class MathStudent extends Actor { protected String firstName; protected String lastName; public MathStudent() { firstName = ""; lastName = ""; } public void countToFive() { int i = 1; int limit = 5; while (i <= 5) { System.out.println(i); i = i + 1; } } }
- A.
FirstName, lastName
- B.
Limit, i
- C.
FirstName, lastName, limit, i
- 22.Mark the arrays that are declared correctly by good programming standard.
- A.
Int[] scores;
- B.
Int scores [];
- C.
Float[] rates;
- D.
Float rates [];
- 23.Declare and create a new array of 5 elements for a scores array.
- A.
Int[] scores = new int[5];
- B.
Int[5] scores = new int[];
- C.
Int scores = new int[5];
- 24.Write a line of code to change the element at index 3 to 5 in the scores array.
- A.
Scores[3] = 5;
- B.
Scores[5] = 0;
- C.
Scores[5] = 5;
- 25.Objects are created from
- A.
Methods
- B.
Classes
- C.
Parameters
- D.
Commands
Back to top