KwickClips Java · 43 sec · free
Where does indexing start?
Short answer. At 0, so charAt(2) is the third character.
Is the end index of substring included?
No. substring(1,4) stops before index 4.
On "banana"
| Method | Result |
|---|---|
| length() | 6 |
| charAt(2) | 'n' |
| indexOf('a') | 1 |
| substring(1,4) | "ana" |
Remember
| Index starts at 0 |
| substring stops before end |
How do you pick letters out of a word? Index starts at zero. Length is six. Char at two is N. The first A is at one. Substring stops before four. Remember. Index starts at zero. Substring stops before the end index.
This clip is from the full lesson: The String Class and String Methods — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 12 Information Technology (802), ICSE Class 10 Computer Applications, ICSE Class 10 Computer Applications, ICSE Class 10 Computer Applications
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