Chapter 3

A sequence of operands and operators combined in a manner familiar from algebra. (63)

Explanatory sentences inserted in a program in such a manner that the compiler ignores them. (77)

A mechanism for locating the positions of points and other objects in space. (94)

An abnormal state or error that occurs during run time and is signaled by the JVM. (84)

An object that supports the drawing of shapes and images in a program. (95)

Words that have predefined meanings that cannot be changed. (71)

An item in a program whose value does not change. (60)

Occurs when a programmer fails to express him/herself accurately; also called design errors or bugs. (82)

A method’s name and the types and number of its parameters. (71)

The position (0,0) of a point in space or of a pixel on a computer terminal screen. (94)

A group of related classes in a named directory that makes it easy for programmers to share code. (73)

A half-English / half-code style of writing that expresses an algorithm. (79)

Words that have predefined meanings that cannot be changed. (71)

An error that occurs when a programmer asks a computer to do something that it considers illegal. Program execution halts with an error message. (82)

A mechanism for locating the positions of pixels on a computer terminal screen. (94)

Define the rules for interpreting the meaning of statements. (58)

The rules for combining words into statements. (58)

Errors that occur when a syntax rule is violated - such as a missing semicolon at the end of a statement. Syntax errors are detected at compile time. (82)

A statement in which a program declares a variable’s type before it can be used in the program.(62)

A computer program that can replicate itself and move from computer to computer. (81)