JAVA

The OCAJP 1Z0-808 – Best Books and Mock Exams for Java 8 OCA Certification

From the last couple of months, I have been helping a few developers to prepare for Java 8 associate certification…

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10 Books Every Java Programmer Should Read

If you are a Java programmer and wondering what to read to improve your knowledge of Java and become a…

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Top 5 Courses to Learn Python 3 in 2024

If you are a Programmer or a Computer Science graduate and thinking of learning Python in 2024, then you have…

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No More MultipleBagFetchException Thanks to Multiset Nested Collections – Java, SQL and jOOQ.

I’ve recently stumbled upon this interesting Stack Overflow question about Hibernate’s popular MultipleBagFetchException. The question is super popular, and the…

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How to replace NULL with Empty String in SQL Server? ISNULL() vs COALESCE() Examples

We often need to replace NULL values with empty String or blank in SQL e.g. while concatenating String. In SQL…

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jOOQ 3.16 and Java EE vs Jakarta EE – Java, SQL and jOOQ.

A tidal wave is rippling through the Java ecosystem. It is the renaming of javax to jakarta package names. Now,…

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5 Reasons to Use Composition over Inheritance in Java and OOP

Favor composition over inheritance is one of the popular object-oriented design principles, which helps to create flexible and maintainable code…

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Use MULTISET Predicates to Compare Data Sets – Java, SQL and jOOQ.

Questions that might be a bit more difficult to solve using ordinary SQL are questions of the kind: What films…

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Top 8 Courses to learn Reactive Spring Boot and WebFlux in 2024

One of the reasons is that there are no proper resources. So in this article, we will list the top…

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How to Fetch Sequence Values with jOOQ – Java, SQL and jOOQ.

A lot of RDBMS support standard SQL sequences of some form. The standard SQL syntax to create a sequence is:…

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