public static void main(String args[]) throws IOException
	{
    	String sbucketName = "chttest1";
    	String dbucketName = "region1";
    	//String sfileName = "hello.txt";
    	String sfileName = "apple.txt";
    	String dfileName = "world.txt";
    	
		System.out.println("hello world");
		//basicPutBucket(sbucketName,sfileName);
		basicPutBucket(dbucketName,dfileName);
		//basicCopyObject(sbucketName,sfileName,dbucketName,dfileName);
		GeneralCopyObject(sbucketName,sfileName,dbucketName,dfileName); // copy object with headers
	}