Fundamentals Final (Ch 1-7)

60 Questions | By Tcarteronw | Updated: Mar 21, 2022 | Attempts: 178

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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