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A blog about Java, Spring, Hibernate, Programming, Algorithms, Data Structure, SQL, Linux, Database, JavaScript, and my personal experience.

There is the question on whether java methods should return Collections or Streams, in which Brian Goetz answers that even for finite sequences, Streams should usually be preferred.But it seems t…

I’m trying to write a query in which I fetch child records for my aggregate root using leftJoin like this:dslContext.select() .from(PARENT) .leftJoin(CHILD) .on(CHILD.PARENT_ID.eq(PAR…

The final feature list for Java 13 (due in September) has been confirmed, as the project enters testing and rampdown. No major new features are part of this release.

Now that developers can create a private GitHub repository in its free tier, you may run into issues with the ‘fatal: repository not found’ error message. Here’s how to fix that problem and successfully clone your repository.

CSR ( Compatibility and Specification Review ) JDK-8224601 [“Provide VM.events diagnostic command”] is implemented in JDK 13 as of JDK 13 …

We’re thrilled to announce the beta of GitHub Sponsors, a new way to financially support the developers who build the open source software you use every day. Open source developers build tools for the rest of us. GitHub Sponsors is a new tool to help them succeed, too.

i have a complex problem with Java 8.ProblemWith nested lambda compiler crash with a NullPointerException!I know that lambdas must be stateless indeed in this case the codes that have state are

Learn how optimistic locking version property works when using JPA and Hibernate, and how it can help you prevent the lost update anomaly.

A blog about Java, Programming, Algorithms, Data Structure, SQL, Linux, Database, Interview questions, and my personal experience.