Main.java Source code

Introduction

Here is the source code for Main.java

Source

public class Main {
    public static void main(String args[]) {
        String str = "this is a test";
        System.out.println(replaceCharAt(str, 5, 'c'));
    }

    public static String replaceCharAt(String s, int pos, char c) {
        return s.substring(0, pos) + c + s.substring(pos + 1);
    }
}
//this cs a test