11.11: Vocabulary
- Page ID
- 17729
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- package:
- A group of classes that are related to each other.
- address:
- The location of a value in computer memory, often represented as a hexadecimal integer.
- library:
- A collection of packages and classes that are available for use in other programs.
- import statement:
- A statement that allows programs to use classes defined in other packages.
- token:
- A basic element of a program, such as a word, space, symbol, or number.
- literal:
- A value that appears in source code. For example,
"Hello"
is a string literal and74
is an integer literal. - magic number:
- A number that appears without explanation as part of an expression. It should generally be replaced with a constant.
- constant:
- A variable, declared
final
, whose value cannot be changed. - format string:
- A string passed to
printf
to specify the format of the output. - format specifier:
- A special code that begins with a percent sign and specifies the data type and format of the corresponding value.
- type cast:
- An operation that explicitly converts one data type into another. In Java it appears as a type name in parentheses, like
(int)
. - modulus:
- An operator that yields the remainder when one integer is divided by another. In Java, it is denoted with a percent sign; for example,
5 \% 2
is1
.