Java function to reverse a String

Str.java

public class Str {

  public static String reverseit(String orig) {

		String reverseStr = "";
		for (int i = orig.length() - 1; i >= 0; i--)
			reverseStr = reverseStr + orig.charAt(i);

		return reverseStr;
	}

	public static void main(String[] args) {

		String strToReverse = "Hello World";

		System.out.println("Reverse of '" + strToReverse + "' is '"
				+ Str.reverseit(strToReverse) + "'");

	}

}