Basic else-if chain

Grade classification example

Why does 85 print "B" and not "C"?

else-if vs. independent if statements

Independent if statements (all checked)

else-if chain (only first match)

Order matters

Wrong order (too broad first)

Correct order (most restrictive first)

The optional else

Tracing practice

Complete example: Season detector

AP Exam Tips

Common Mistakes

Key Vocabulary