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…)

Have you ever wondered how does the HotSpot JVM generate identity hashcodes? (more…)

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. (more…)

Why are the first four bytes of the Java class file format CAFEBABE? (more…)

JEP 430, String Templates (Preview), has been promoted from Proposed to Target to Targeted status for JDK 21, a feature JEP type that proposes to enhance the Java programming language with string templates, which are similar to string literals but contain... (more…)