1_Chp. 4 Vocabulary

Página 1

Chapter 4 Vocabulary

Define the following terms and expressions from your textbook.

Boolean expression An expression that evaluates true or false

Compound Boolean expression An expression that includes more than one Boolean expression

Conditional control structure A statement that branches program flow depending on a condition

Decision structure Same as a Conditional control Structure

Linear Congruential Method A method that uses a formula to generate a sequence of psuedorandom numbers

Logical And The && operator is used to form a compound Boolean expression

Logical Not The ! operator is used to reverse the value of a Boolean expression

Logical Or The || expression is used to form a compound Boolean expression

Nested A statement placed within a statement of the same type

Pseudorandom Not truly random, but like random

Relational operator Operators that can be used form a Boolean expression

Short circuit evaluation Process for determining the result of a Boolean expression where the left operand is evaluated first. If the result of the entire expression can be determined by the left operand, no other operands are evaluated

Truth table Shows the possible outcomes of two expressions joined by a logical operator

Chapter 4 Java

== The equality relational operator

< The less than operator

<= The less than or equal to operator

> The greater than operator

>= The greater than or equal to operator

!= The not equal operator

&& Logical And operator

|| Logical Or operator

! Logical Not operator

break A statement that moves program control to the next statement after the current structure

case A clause in which the switch statement that contains statements to be executed when the case condition matches the result of the switch expression

if Decision structure that executes a set of statements when a condition is true

if-else Decision structure that executes a set of statements when a condition is true and another set of statements when the condition is false

if-else if Decision structure used to decide among three or more actions

Math A java.lang class with methods for generating random numbers and performing math functions

switch Decision structure that uses the result of an expression to determine which set of statements to execute