attribute (3 facts) - a simple piece of data used to represent the properties of an object
behaviour (1 kind, 6 facts) - The way an object or system acts and reacts, possibly changing its state, The set of all responses to all possible messages
class path (4 facts) - An ordered list of directories or zip files to search for class files
condition (1 kind, 8 facts) - A condition in Java is a statement that evaluates to a boolean value (true or false)
environment (7 kinds, 63 facts) - The hardware and software configuration of a computer
file (3 kinds, 34 facts) - A block of information in the form of bytes, stored together on a computer or external digital storage medium, and given a name
hierarchy (2 kinds, 11 facts) - An organized tree-like structure of subjects
HTML tag (2 kinds, 14 facts) - A code in an HTML document that may serve various functions such as controlling the styling of text and placement of graphic elements and providing links to interactive programs and scripts.
identity (3 facts) - Unlike primitive values, objects possess a unique identity that makes them distinguishable from one another, even when they are in the same state ; e.g. Two strings, s1="x" and s2=new String(s1), are equal but have different identity, so s1.equals(s2) is true but s1==s2 is false.
Java program (14 kinds, 131 facts) (program) - A collection of 1 or more classes that work together and is started either by the operating system or a browser running it
object (17 kinds, 142 facts) (instance) - A data element in an object-oriented system, which has its own identity, belongs to a particular class, and has behaviour and properties, A software bundle of variables and related methods, A piece of memory that holds data in instance variables and a pointer to its class
object table (3 facts) - A table that maps object handles to actual addresses
operation (1 kind, 4 facts) - a higher-level procedural abstraction than a method: It is used to discuss and specify a type of behaviour, independently of any code which implements that behaviour