2 Flashcards
A sequence of operands and operators that computes a value.
Arithmetic Expressions
Explanatory sentences inserted in a program in such a manner that the compiler ignores them.
Comments
A grid that allows a programmer to specify positions of points in a plane or of pixels on a computer screen.
Coordinate System
An abnormal state or error that occurs during runtime and is signaled by the operating system.
Exception
In java, an object associated with a component where the images for that component are drawn.
Graphics Context
An error such that a program runs, but unexpected results are produced. Also referred to as a design error.
Logic Error
The point (0,0) in a coordinate system.
Origin
A group of related classes in a named directory.
Package
A stylized half-English, half-code language written in English but suggestion Java code.
Pseudocode
Words that have predefined meanings that cannot be changed.
Reserved Words
An error that occurs when a program asks the computer to do something that it considers illegal, such as dividing by 0.
Run-Time Error
A coordinate system used by most programming languages in which the origin is in the upper-left corner of the screen, window, or panel, and the y values increase toward the bottom of the drawing area.
Screen Coordinate System
Rules for interpreting the meaning of statements.
Semantics
Rules for combining words into sentences.
Syntax
A program that can enter a computer and perhaps destroy information.
Virus
