Thanx all ,Pls be advised that the comments have been incorporated and the webrev updated - at http://cr.openjdk.java.net/~ngmr/8037953/webrev.01.
Rgds , -- ​Dave Pointon FIAP MBCS Now I saw, tho' too late, the folly of beginning a work before we count the cost and before we we judge rightly of our strength to go thro' with it - Robinson Crusoe