public static void main(String args[]) throws IOException
	{
		System.out.println("hello world");
		//mBasicPutObject();
		//BasicGetObject();
		//fGetObject();   //with File parameter
		//vGetObject();     //get object with version id
		//headObject();
		vHeadObject(); //head object with version id
		//pGetObject(); //get object with parameter
		//hGetObject(); //get object with header: if-match, Range, if-modify-since
		//hGetObject2(); //get object with header: if-non-match
		//hGetObject3(); //get object with header: if-non-modify-since
	}