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My name is Seán Kennedy. I have a PhD in IT and am OCA and OCP certified. I have taught the OCA/OCP syllabi since 2013 on a Masters course for a highly-regarded software company.

This channel is about helping people understand Java and also pass the Oracle Java Certification exams.

Regards,
Seán.

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programming in java

java certification

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Featured video

Overview

Dr. Seán Kennedy

3,213 views

5 years ago

Dr. Seán Kennedy

Java 8 OCA (1Z0-808) Certification Course, Java SE 8 Programmer I Boot Camp (Java Fundamentals)

Java 8 OCA (1Z0-808) Certification Course, Java SE 8 Programmer I Boot Camp (Java Fundamentals)

1,204 views

1 year ago

Dr. Seán Kennedy

Udemy Java 8 OCA Course (1Z0-808) Course

Udemy Java 8 OCA Course (1Z0-808) Course

340 views

1 year ago

Dr. Seán Kennedy

'Learn Java with Projects' book

'Learn Java with Projects' book

2,260 views

2 years ago

Dr. Seán Kennedy

Java 21 (unnamed classes and instance main methods) - now in my Advanced Java course

Java 21 (unnamed classes and instance main methods) - now in my Advanced Java course

628 views

2 years ago

Dr. Seán Kennedy

Java method overriding and exception signatures. (ocajp.i.v8.2.1373)

Java method overriding and exception signatures. (ocajp.i.v8.2.1373)

695 views

3 years ago

Dr. Seán Kennedy

Java Memory Management - a comprehensive guide to garbage collection and JVM tuning

Java Memory Management - a comprehensive guide to garbage collection and JVM tuning

590 views

3 years ago

Dr. Seán Kennedy

Enthuware - how to get my latest video links (see UPDATE in description)

Enthuware - how to get my latest video links (see UPDATE in description)

256 views

3 years ago

Dr. Seán Kennedy

An if-else if-else statement. (enthuware.ocajp.i.v8.2.1065)

An if-else if-else statement. (enthuware.ocajp.i.v8.2.1065)

158 views

3 years ago

Dr. Seán Kennedy

Adding abstraction to a class hierarchy using abstract methods. enthuware.ocajp.i.v8.2.1459

Adding abstraction to a class hierarchy using abstract methods. enthuware.ocajp.i.v8.2.1459

275 views

3 years ago

Dr. Seán Kennedy

Importing from another package tutorial (enthuware.ocajp.i.v8.2.1079)

Importing from another package tutorial (enthuware.ocajp.i.v8.2.1079)

517 views

3 years ago

Dr. Seán Kennedy

Objects and Garbage Collection Tutorial

Objects and Garbage Collection Tutorial

351 views

3 years ago

Dr. Seán Kennedy

FREE Course on Udemy - Lambdas and Streams

FREE Course on Udemy - Lambdas and Streams

255 views

4 years ago

Dr. Seán Kennedy

FEEDBACK - Java SE8 OCA (1Z0-808) Training Course June 2020

FEEDBACK - Java SE8 OCA (1Z0-808) Training Course June 2020

517 views

5 years ago

Dr. Seán Kennedy

FEEDBACK - Java SE8 OCA (1Z0-808) Training Course June 2019

FEEDBACK - Java SE8 OCA (1Z0-808) Training Course June 2019

235 views

5 years ago

Dr. Seán Kennedy

Overview

3,213 views

5 years ago

Dr. Seán Kennedy

When and how to use Enums in Java

When and how to use Enums in Java

289 views

5 years ago

Dr. Seán Kennedy

Java SE Certification Training Overview

Java SE Certification Training Overview

516 views

5 years ago

Dr. Seán Kennedy

Java SE 8 OCA (1Z0-808) Online Videos Course

Java SE 8 OCA (1Z0-808) Online Videos Course

856 views

5 years ago

Dr. Seán Kennedy

Java SE 8 OCA (1Z0-808) Preparation Course June 2021

Java SE 8 OCA (1Z0-808) Preparation Course June 2021

302 views

4 years ago

Dr. Seán Kennedy

Udemy Java 8 (1Z0-808) Course (FREE for first 2 days)

Udemy Java 8 (1Z0-808) Course (FREE for first 2 days)

487 views

4 years ago

Dr. Seán Kennedy

Comparing the Class methods: isInstance(Object) versus isAssignableFrom(Class)

Comparing the Class methods: isInstance(Object) versus isAssignableFrom(Class)

399 views

4 years ago

Dr. Seán Kennedy

Feedback - Java 8 OCA (1Z0-808) Summer Course '21 Attendee Feedback

Feedback - Java 8 OCA (1Z0-808) Summer Course '21 Attendee Feedback

167 views

4 years ago

Dr. Seán Kennedy

COUPONS - Udemy Java 8 OCA (1Z0-808) Course

COUPONS - Udemy Java 8 OCA (1Z0-808) Course

165 views

4 years ago

Dr. Seán Kennedy

Java 8 OCA (1Z0-808) Autumn 2021 Course

Java 8 OCA (1Z0-808) Autumn 2021 Course

399 views

4 years ago

OCA8 - instanceOf operator (Enthuware)

Dr. Seán Kennedy

Java instanceOf Tutorial. (enthuware.ocajp.i.v8.2.837)

Java instanceOf Tutorial. (enthuware.ocajp.i.v8.2.837)

501 views

5 years ago

Dr. Seán Kennedy

Java instanceof Tutorial (enthuware.ocajp.i.v8.2.980)

Java instanceof Tutorial (enthuware.ocajp.i.v8.2.980)

264 views

5 years ago

Dr. Seán Kennedy

Java instanceof Tutorial with boolean logic. (enthuware.ocajp.i.v8.2.1241)

Java instanceof Tutorial with boolean logic. (enthuware.ocajp.i.v8.2.1241)

220 views

5 years ago

Dr. Seán Kennedy

Java instanceof Tutorial with upcasting. (enthuware.ocajp.i.v8.2.1195)

Java instanceof Tutorial with upcasting. (enthuware.ocajp.i.v8.2.1195)

206 views

5 years ago

Dr. Seán Kennedy

Java 8 OCA (1Z0-808) - instanceof operator (Enthuware sample questions)

Java 8 OCA (1Z0-808) - instanceof operator (Enthuware sample questions)

536 views

4 years ago

OCA8 - Lambda Expressions (Enthuware)

Dr. Seán Kennedy

Java Passing Lambda Expressions Tutorial

Java Passing Lambda Expressions Tutorial

867 views

5 years ago

Dr. Seán Kennedy

Java Predicate Interface Tutorial

Java Predicate Interface Tutorial

874 views

5 years ago

Dr. Seán Kennedy

Understanding Lambdas in Java (1 of 3) - the theory.

Understanding Lambdas in Java (1 of 3) - the theory.

346 views

4 years ago

Dr. Seán Kennedy

Understanding Lambdas in Java (2 of 3) - a custom lambda.

Understanding Lambdas in Java (2 of 3) - a custom lambda.

249 views

4 years ago

Dr. Seán Kennedy

Understanding Lambdas in Java (3 of 3) - using the Predicate Functional Interface (FI) from the API.

Understanding Lambdas in Java (3 of 3) - using the Predicate Functional Interface (FI) from the API.

258 views

4 years ago

Dr. Seán Kennedy

Java 8 OCA (1Z0-808) - Lambda expressions (Enthuware sample questions)

Java 8 OCA (1Z0-808) - Lambda expressions (Enthuware sample questions)

873 views

4 years ago