KwickClips Java · 44 sec · free
Do ten menu choices need ten if statements?
Short answer. No. One switch with ten cases is clearer.
What does default do?
It runs when no case label matches.
Remember
| One case per choice |
| break after each case |
| default for wrong input |
Ten choices. Do you need ten if statements? No. Switch matches ch with each case. Break stops the next case running. Default catches a wrong number. Remember. One case per choice. Break after each case. Default handles wrong input.
This clip is from the full lesson: Menu-driven Programs with switch and System.exit — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: ICSE Class 9 Computer Applications, ICSE Class 9 Computer Applications, Programming All levels Java
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