replace substring at index java
public static void main(String[] args) {
StringBuffer buf = new StringBuffer("123456789");
int start = 3;
int end = 6;
buf.replace(start, end, "foobar");
System.out.println(buf);
}
}java string replace character at position
String str = in.nextLine(); //Original String
char cr = in.next().charAt(0); // character to replace
int index = in.nextInt(); // Index where replaced
str = str.substring(0, index) + cr + str.substring(index + 1);// modified stringCopyright © 2021 Codeinu
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