how to replace a character in a stringbuffer in java

replace(int startIndex, int endIndex, String str) The replace the substring of the string buffer from startIndex to endIndex-1 with the specified string. Syntax: public synchronized  StringBuffer replace(int startIndex, int endIndex, String str)   Note: startIndex should be between 0 and to length of the string or less than endIndex, if it is not StringIndexOutOfBoundsException will … Read more