EECS 132 Final UPDATED Exam Questions and CORRECT Answers
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Course
EECS 132
Institution
EECS 132
EECS 132 Final UPDATED Exam
Questions and CORRECT Answers
What are primitive types? - Correct Answer- The eight most basic data types
What are the primitive types? - Correct Answer- boolean, byte, char, short, int, long, float,
and double
What is a boolean - Correct Answer- returns true or f...
EECS 132 Final UPDATED Exam
Questions and CORRECT Answers
What are primitive types? - Correct Answer- The eight most basic data types
What are the primitive types? - Correct Answer- boolean, byte, char, short, int, long, float,
and double
What is a boolean - Correct Answer- returns true or false
what is a byte - Correct Answer- 8 bits
what is a char - Correct Answer- a single character assigned to a numerical value
what is a short - Correct Answer- 16 bits
what is an int - Correct Answer- A whole number integer
what is a long - Correct Answer- 64 bits
what is a float - Correct Answer- 32 bits
what is a double - Correct Answer- a decimal value
what is the object class - Correct Answer- Superclass containing methods like boolean equals,
toString, and getClass
what is the string class - Correct Answer- class representing strings of characters, contains
methods such as charAt, equals, contains, indexOf, isEmpty, etc
, what is the StringBuilder class - Correct Answer- class allowing a string to be created
containing methods such as append, charAt, replace, etc
what are wrapper classes - Correct Answer- Wrapper classes are classes that allow primitive
types to be accessed as objects, they are Character, Short, Integer, Float, Long, Byte, String,
Double, Boolean, etc.
what is the comparable interface - Correct Answer- It is used to sort collections and arrays of
objects using the collections.sort() and java.utils. The objects of the class implementing the
Comparable interface can be ordered
what is the iterable interface - Correct Answer- interface allowing an object to be the target of
the for each loop
What is the Iterator interface? - Correct Answer- - defined as part of java standard class
library
- hasNext(), returns a boolean result and
- next() returns object
what is a data type - Correct Answer- a particular kind of data item, as defined by the values
it can take, the programming language used, or the operations that can be performed on it
what is typecasting - Correct Answer- assigning a variable of one type to a variable of another
type
when does implicit typecasting occur - Correct Answer- when the primitive is typecasted to a
wider data type
when is explicit typecasting required - Correct Answer- when the primitive is typecasted to a
narrower data type
list primitive types from narrow to widest - Correct Answer- byte, short, int, long, float,
double
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