The limitations in exiting tools and platforms make them well-suited for newer apps, whereas CheerpJ is capable of converting even the older Java apps and libraries. (more…)

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…)

Java.util package provides an IdentityHashMap class which implements the Map interface with a hash table, using reference-equality in place of object-equality when comparing keys (and values). In other words, in an IdentityHashMap, two keys k1 and k2 are ... (more…)

If you're a java developer you probably heard (often many times) that java is dead. But this is absolutely not true, and java is more alive than ever before. There were a huge discussion in the java community about the new release cadence, which is now 6 ... (more…)

It turns out my hopes were answered. First, Prechelt published another... (more…)