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AP Computer Science A›Unit 2: Selection and Iteration›Selection

Algorithms with Selection and Repetition

Most algorithms combine three building blocks: doing steps in order, choosing between paths, and repeating steps.

Sequencing, selection, iteration
Tracing an algorithm
Planning before coding

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2Selection and Iteration

Algorithms with Selection and Repetition
Boolean Expressions
if, else if, and else
Compound Boolean Expressions and De Morgan's Law
Comparing Objects
while and for Loops
Implementing Selection and Iteration Algorithms
Nested Loops and String Algorithms
Informal Run-Time Analysis

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Boolean Expressions

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Also called: selection and repetition