insert (int offset, char[] str)

public synchronized StringBuffer insert(int offset, char[] str)

Inserts the string representation of the char array argument into this sequence at the position indicated by offset.

public class StringBufferInsertCharArray {
    public static void main(String args[]){
        char c[] = {'H', 'e', 'l', 'l', 'o', ','};
        StringBuffer str = new StringBuffer("How are You");
        str.insert(0, c);
        System.out.println("str = " + str);
    }
}

Output

str = Hello,How are You

1. Throws StringIndexOutOfBoundsException, if the offset is invalid.

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