MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

public class MainClass {

    public static void main(String[] arg) {
        StringBuffer phrase = new StringBuffer("one two three four");
        String substring = "two";
        String replacement = "twenty";
        int position = phrase.lastIndexOf(substring); // Find start of "two"
        phrase.replace(position, position + substring.length(), replacement);

        System.out.println(phrase);
    }

}