Program to perform string copy

/* Program to perform string copy */

class P14
{
    public static void main(String args[])
    {
            String s = "HotJava is Cool!";
            StringBuffer t = new StringBuffer("Java is Cool!");

            System.out.println("First String is : "+s);
        System.out.println("Second String is : "+t);
        System.out.println("\nFirst String is copied to second String ");
            myStrCopy(s, t);
        System.out.println("\nStrings after calling string copy function......");
            System.out.println("\nFirst String is : "+s);
        System.out.println("Second String is : "+t);
        }

        static void myStrCopy(String str1, StringBuffer str2)
    {
            int i, len = str1.length();
        str2.setLength(len);
            for (i = 0; i < len; i++)
                    str2.setCharAt(i, str1.charAt(i));
        }
}