Java Project 2 Quiz

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Question 1 of 11

1. Question
What is a “protected” class variable?
- A variable that is only accessible by directly related classes.
- A variable that is accessible by all other classes.
- A variable that is protected from all classes other than it's own.
- A variable that can never be hacked.
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Question 2 of 11

2. Question
What does the “this” keyword mean in Java?
- It specifies that you are using the data of the class that you are currently inside.
- It means that you are using the data of a specific function or parameter.
- It tells the program to temporarily ignore all other variables, except "this" one.
- It keeps track of certain variables after a function has completed.
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Question 3 of 11

3. Question
What is a “getter” function?
- A function whose only purpose is to help other classes get data.
- A function that saves data before it gets deleted.
- A function whose only purpose is to get data from other classes.
- A function that is required for sharing data between classes.
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Question 4 of 11

4. Question
Select all of the values that can be found in a Java “boolean” variable:
- true
- false
- 0
- "true"
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Question 5 of 11

5. Question
What does “null” mean in Java?
- Nothing.
- It is another word for error.
- An empty string.
- An unknown variable.
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Question 6 of 11

6. Question
What does the “extends” keyword mean in Java?
- That a class inherits data from another class.
- That a class will be extending into separate files.
- That a class will be used in multiple programs.
- That a class is the master class for at least one other class.
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Question 7 of 11

7. Question
What is a “float” variable in Java?
- A variable used primarily to contain decimal numbers.
- A variable used primarily for whole numbers.
- A variable that can "float" between multiple functions and classes.
- A variable used to contain very big numbers.
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Question 8 of 11

8. Question
What does the “super” keyword mean in Java?
- It uses a function or data from a "parent" class.
- It signifies data that can never be deleted during the program.
- It signifies data that cannot be modified by any outside classes.
- It uses a function from a "child" class if one exists.
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Question 9 of 11

9. Question
What does “overriding” mean in Java?
- It is when a child class replaces or adds onto something from its parent class.
- It replaces all uses of a function within a program.
- It replaces all uses of a variable within a class.
- It is when a parent class takes priority over a child class function.
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Question 10 of 11

10. Question
What is “static” variable in Java?
- A variable that is shared between all instances of its class.
- A variable that will never change it's value.
- A variable that is shared between all classes in a program.
- A variable that will be shared between all instances of a program.
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Question 11 of 11

11. Question
What is another way to say a class extends another class?
- It inherits from another class.
- It steals from another class.
- It borrows from another class.
- It overrides another class.
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