Java terms and their meaning

Java Terms

Some of Java programming language terms with their meaning,


A

abstract class

A class that cannot be directly constructed, one that can be constructed only through construction of some of its sub-classes.

argument

A value, or reference to a value, passed to a function; an actual argument.

array
An ordered sequence of same-typed values whose elements are fast to access by their numerical index in the array.

B

Boolean
A data type for yes or no, true or false values.

C
class
A set of objects having the same behavior (but typically differing in state), or a template defining such a set.

compiler
A computer program which transforms source code into object code.

constant
An identifier that is bound to an invariant value.

constructor
A class method (in object-oriented programming) that creates and initializes each instance of an object.

D
data type
A classification or category of various types of data, that states the possible values that can be taken, how they are stored, and what range of operations are allowed on them.

destructor
In object-oriented programming, the command sequence that is launched when the execution of an object is finished.


E
enumeration
A data type whole values are a set of mutually exclusive named constants.

exception
An interruption in normal processing, especially as caused by an error condition.