Apply @snippet to javadoc,also fixes couple errors in sample code throught the docsSigned-off-by: Lukas Jungmann <lukas.jungmann@oracle.com> (commit: 62206ad)
typos, grammar,javadoc formatting,minor code cleanupSigned-off-by: Lukas Jungmann <lukas.jungmann@oracle.com> (commit: b2c0e7a)