Pre-Finals

Question 1

Data type that contains a fixed set of constants. Best used when all
possibilities of the values of the class are known.

Answer 1

Enumeration (enum)

Question 2

Common examples of enums

Answer 2

Compass directions
o Months of the year
o Cards in a deck

Question 3

Enumeration list value

Answer 3

Enum constants

Question 4

Returns the name of the calling constant object

Answer 4

toString()

Question 5

Returns an integer that represents the constant’s position in the list of constants; the first position is 0

Answer 5

ordinal()

Question 6

Returns a negative integer if the calling object’s ordinal value is less than that of the argument, 0 if they are the same, and a positive integer if the calling object’s ordinal value is greater than that of the argument

Answer 6

compareTo()

Question 7

Returns true if its argument is equal to the calling object’s value

Answer 7

equals()

Question 8

Accepts a string parameter and returns an enumeration constant

Answer 8

valueOf()

Question 9

Returns an array of the enumerated constants

Answer 9

values()

Question 10

used to describe a data type that allows only appropriate behaviors.

Answer 10

Type-safe

Question 10

create a class within another class and store them

Answer 10

Nested Class

Question 11

access to all static methods of the top-level class

Answer 11

Static member class

Question 12

requires an instance; it has access to all data and methods of the top-level class.

Answer 12

Non-static member class

Question 12

defined within a method body

Answer 12

Local class

Question 12

special case of a local class that has no identifier

Answer 12

Anonymous class

Question 13

Sequence of characters that represent a string or multiple strings.

Answer 13

Regular expression (regex)

Question 14

This method determines what the string should match against and specifies multiple values.

Answer 14

matches()

Question 15

this package has classes to help form and use regular expressions.

Answer 15

java.util.regex.package

Question 16

allows for the method matches to check if equal and returns true accordingly.

Answer 16

symbol |

Question 17

used in regular expressions for character variability.

Answer 17

Square brackets “[]”

Question 18

wildcard operator that represents any single character in regular expression

Answer 18

Dot “.”

Question 19

Symbol in regular expressions that indicates the number of times a specified character appears in a matching string.

Answer 19

Repetition Operator

Question 20

0 or more occurrences

Answer 20

*

Question 21

0 or 1 occurrence

Answer 21

?

Question 22

1 or more occurrences

Answer 22

+

Question 23

x occurrences

Answer 23

{x}

Question 24

x or more occurrences

Answer 24

{x,}

Question 24

Between x & y occurrence

Answer 24

{x,y}

Question 25

stores the format of a regular expression

Answer 25

Pattern class

Question 26

compiles the given regular expression into a pattern.

Answer 26

Compile method

Question 27

stores a possible match between a pattern and a string.

Answer 27

Matcher class

Question 28

scans the input sequence looking for the next subsequence that matches the pattern

Answer 28

find()

Question 29

Splits the string around matches of the given regular expression.

Answer 29

split()

Question 30

Used to replace all the occurrences of the defined regular expression found in the string with another string.

Answer 30

replaceAll()