1(vii)
Which of the following returns a String?
- (a)length()
- (b)charAt(int)
- (c)replace(char, char)
- (d)indexOf(String)
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replace(char, char)
Reason — The given methods return:
| Method | Return Type |
|---|---|
| length() | int |
| charAt(int) | char |
| replace(char, char) | String |
| indexOf(String) | int |