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Data Types
Integer Data Types
Real Numbers
Strings and Characters
Black and White
100
This is the basic building block for data structures. It describes what type of data can be stored in a variable.
What is a primitive data type?
100
This is the most commonly used Integer data type.
What is an Integer?
100
There are this many real number data types.
What is 2?
100
This is the smallest data type which can hold information in text.
What is char?
100
This data type only has two possible values, true and false.
What is boolean?
200
While we use this as a primitive data type, it is a class and behaves more like an array or list than a primitive data type.
What is String?
200
This is the smallest Integer data type.
What is byte?
200
This is the smaller of the real number data type and the name describes the manner in which it is stored.
What is float?
200
This is the method of checking equality between strings.
What is .equals()?
200
The name of many methods returning a boolean value start with this?
What is is? (e.g. isStrike())
300
There are this many numerical data types.
What is 6?
300
This is the largest integer data type.
What is long.
300
Objects of this class can be created (instantiated) to format real numbers (and integers).
What is DecimalFormat?
300
Java stores characters as this type of number, excluding negatives.
What is integer?
300
This type of operator evaluates the relationship between two objects and returns a boolean value.
What is a relational operator?
400
This is a named segment of code which can be, among other things, a descriptor or a data type (not primitive).
What is a class.
400
Integers can have this many decimal places.
What is 0?
400
Real (floating point) numbers are stored using a concept similar to this type of mathematical notation.
What is scientific notation.
400
This datatype is a class containing many methods allowing the manipulation of the contained data.
What is String?
400
He created boolean algebra, the mathematics of interactions of true and false statements.
Who is George Boole
500
As most simply represented to the user, all numeric data types can use this sign.
What is the negative sign.
500
This is the only integer data type which is abbreviated in code?
What is integer.
500
This is the larger of the two real number data types, using twice as much memory, and allowing much greater precision.
What is double?
500
This is the method to get a partial string.
What is substring()?
500
To determine equality, you would use this relational operator.
What is ==?