Unit 1: Quick Review (Fill in the Blank)

An algorithm is a step-by-step __________ to solve a problem.

• procedure

• guess

• mistake

• shortcut

A program is an algorithm written in a __________ language so a computer can run it.

• programming

• natural

• spoken

• mathematical

A variable stores __________ that can change.

• data

• functions

• constants

• operators

An int stores __________ numbers, a double stores numbers with __________, and a boolean stores __________ or __________.

• whole, decimals, true, false

• decimal, whole, true, false

• whole, decimals, yes, no

• decimal, whole, yes, no

An expression is a combination of __________, __________, and __________ that produces a value.

• variables, constants, operators

• functions, loops, arrays

• classes, objects, methods

• statements, conditions, branches

The command System.out.println() is used to __________ output to the screen.

• display

• delete

• hide

• encrypt

An assignment statement uses the symbol __________ to store a value in a variable.

• =

• ==

• :=

• +=

Example: x = 5; means the variable x now holds the value __________.

• 5

• 10

• x

• 0

The Scanner class can be used for __________ input.

• user

• output

• system

• network

Casting means converting one __________ type into another.

• data

• object

• method

• class