Reserved Words
Concept
Methods
Classes
Misc
100
Stop ________ me
What is boolean
100
Compile-time and run-time are what?
What are errors.
100
This method returns the String representation of an object
What is toString
100
You should use this class to accept user inputs.
What is the Scanner class.
100
int [] arr = {1, 2, 3, 4, 5} arr[4]+arr[5] = __________
What is out of bounds
200
This term is used for inheritance from a super class.
What is extends
200
This class contains a list of abstract methods that need to be implemented by classes.
What is an interface.
200
It is always public, static, and void. The execution of a program occurs within this.
What is the main method.
200
This is essentially an array of characters
What is a String
200
Not, in boolean logic is ________
What is false
300
Use this when you know how many iterations you want
What is a for loop
300
To get the number of elements in an array, you use _____. To get the number of elements in an ArrayList you use _____.
What is "length" and "size()"
300
You should use this method instead of == for objects.
What is equals.
300
You'll need this class to use PI in Java
What is Math
300
A boolean operator that takes two values for input is a _____ operator; one that takes a single input value is a _____ operator.
What are binary and unary.
400
You need this in order to use the Scanner class.
What is an import statement
400
This is the result of a method invoking itself.
What is recursion
400
An arraylist differs from an array because it can change its ________.
What is length or size.
400
The enhanced for-loop is appropriate for this class.
What is Array/ArrayList
400
The name of the hacktivist involved in the development of RSS and the creation of Creative Commons. A founder of reddit.
Who is Aaron Swartz
500
"abcdefgh".substring(6, 7);
What is g
500
To use an object, you must do these two things.
What is declare and instantiate.
500
What is the primary reason one would use an ArrayList over an Array?
What is dynamic resizing
500
Human is to God, classes are to _____
What is object
500
"this string" + "this string" + "this string" is an example of String ________.
What is concatenation.
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