THINK++ — Engineering Visualized

Control Flow

Conditional Statements

Conditional statements allow programs to make decisions. They control which block of code runs based on whether conditions evaluate to true or false.

if

if (condition) { ... }

Executes block only when condition is true

if-else

if (cond) { A } else { B }

Chooses between two paths based on condition

else-if

if (c1) {} else if (c2) {} else {}

Tests multiple conditions in sequence

switch

switch(val) { case 1: ... }

Selects from multiple discrete values

ternary

cond ? val1 : val2

Inline conditional expression

WHEN TO USE WHAT

Use if-else for boolean/range checks. Use switch for matching against specific discrete values (integers, chars, enums). Use ternary for simple inline assignments.

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