Q: Which of the these methods of the class string is used to extract a single character from a string object?

Answer: C

Explanation:

The method used to extract a single character from a String object in Java is charAt().

charAt(int index) is a method of the String class that returns the character at the specified index in the string. The index is zero-based, meaning the first character is at index 0.

c) charAt()

switch case in Java

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