Java mastery goes beyond syntax—it’s about understanding its principles, applying best practices, and optimizing for performance. From core concepts like arrays and OOP to advanced interview ...

When formulating assertions, JUnit quickly reaches its limits. The AssertJ and Google Truth libraries offer new possibilities ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Good programmers need to create code that efficiently solves problems, using various methods. A ...

In an application using io.kubernetes:client-java:2.0.0, I have some code that queries a cluster to fetch pods that meet a certain condition and then transform the data in various ways. In writing a ...

In this little article, we will see how to get the string representation(tostring) of an object cautiously, that means avoiding NullPointerException. Getting the ...

We discovered (quite a while ago) probably some payara server memory leak (java.lang.String objects just grow unlimited, until GC steps in). Graph provided below is recorded RAM from payara server.

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the “common” Java object ...