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Q Which of the following returns a String?
ID: #24260
ICSE Computer Application - Class X - 2025 SPECIMEN QUESTION PAPER
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#24260Q ID
EasyDifficulty
ICSE Computer Application - Class X - 2025 SPECIMEN QUESTION PAPERTopic
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Correct Answer: Option C
Explanation
(a) length()
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For a String,
length()returns an int (number of characters).
✅ Not a String.
(b) charAt(int)
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Returns the character (char) at a given index.
✅ Not a String.
(c) replace(char, char)
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Returns a new String with characters replaced.
✅ This one returns a String.
(d) indexOf(String)
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Returns the int index of the substring (or -1 if not found).
✅ Not a String.
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