Study Guide For Chapter 2

Front 1

Application

Back 1

A program that you execute to accomplish a task

Front 2

Method

Back 2

A named set of statements that performs some task or group of tasks within an application

Front 3

Main method

Back 3

An applications primary method

Front 4

Class header

Back 4

Starts a class; it contains the word class and an identifier

Front 5

Method header

Back 5

Starts a method. It contains an identifier followed by parentheses

Front 6

Variables

Back 6

Named memory locations whose contents can vary or differ over time

Front 7

Numeric constant

Back 7

Specific numeric value

Front 8

String constant

Back 8

A specific group of characters enclosed withing quotation marks

Front 9

Unnamed constant

Back 9

A literal numeric string value

Front 10

Alphanumeric values

Back 10

Can contain alphabet characters, numbers and punctuation.

Front 11

Variable declaration

Back 11

A statement that provides a data type and indentifier for a variable

Front 12

Data type

Back 12

Describes what values can be held by an item, how the item is stored in computer memory, and what operations can be performed on the data item.

Front 13

To initialize a variable

Back 13

to provide a first value for it.

Front 14

Garbage

Back 14

Describes the unknown values that reside in variables that have not been initialized

Front 15

Numeric variable

Back 15

One that can hold digits, have mathematical operations performed on it.

Front 16

String variable

Back 16

Can hold text that includes letters, digits and special characters such as punctuation marks

Front 17

Assignment statement

Back 17

Assigns a value from the right of the assignment operator to the variable or constant on the left of the assignment operator.

Front 18

Assignment operator

Back 18

Is the equal sign; it is ued to assgn a value to the variable or constant on its left.

Front 19

Operand

Back 19

A value that is manipulated by an operator

Front 20

Ivalue

Back 20

The memory address identifier to the left of the assignment operator

Front 21

rvalue

Back 21

An operand to the right of an assignment operator.

Front 22

Order of operations

Back 22

Describes the rules of precedence

Front 23

Structure

Back 23

Basic unit of programming logic

Front 24

Sequence structure

Back 24

Contains steps that execute in order with no obligation of branching to skip or repeat any of the tasks

Front 25

Selection structure

Back 25

Contains a decision in which the logic can break in one of two paths

Front 26

Loop structure

Back 26

Repeats instructions based on a decision.