Dr. Seán Kennedy OCP
Hi, Seán here from Let's Get Certified. I worked in industry for 13 years in FinTech and Telecoms. I have been a lecturer since 2002 and have a PhD in IT. I am Java certified to OCP level. I have taught the OCA/OCP syllabii since 2013 on a Level 9 Masters course for a highly regarded software company. The popular Java certification tool Enthuware link to my YouTube channel in their explanations. I have recently co-authored (with Maaike van Putten) a book titled "Java Memory Management: A comprehensive guide to garbage collection and JVM tuning".