Web Reference: Dec 4, 2018 · The index argument must be greater than or equal to 0, and less than the length of the String contained by StringBuffer object. Syntax: public void setCharAt(int index, char ch) Parameters: This method takes two parameters: index: Integer type value which refers to the index of character to be set. ch: Character type value which refers to the ... One of the useful methods within the StringBuffer class is the setCharAt() method. This method enables developers to modify a specific character at a given index within the StringBuffer, providing a straightforward way to make targeted changes to the string sequence. The Java StringBuffer setCharAt () method, is used to add/insert the character at the specified index in a StringBuffer object. The index refer to the character position in the given sequence.
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