Introduction A high-performance data access layer requires a lot of knowledge about database internals, JDBC, JPA, Hibernate, and this post summarizes some of the most important techniques you can use to optimize your enterprise application. 1. SQL statem... (more…)

Back to the Future Java (b2fJ) is a Java Virtual Machine intended to run on the 8-bit home computers of the 80s. (more…)

As a software consultant, you get to meet many strange companies and many weird systems. (more…)

It obviously cannot be any type that we ordinarily encounter. A variable of type String cannot hold a value of type Object — the Liskov substitution properties simply do not work that way round. The… (more…)

Developers use APIs to for everything! You build APIs for your own apps to consume, or as a part of a microservices architecture. Bottom line, you’re buildin... (more…)