Spring Data 3.0, avoiding stringly typed Kotlin, ID generation in JPA, dockershim removal, and quantum computing.

A quick and practical guide to Producer-Consumer problem in Java.

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Explore some examples of missing return statements in Java.

Learn why interfaces are a great means for abstraction and defining a contract.

Learn two approaches to read content from a text file and save it in a Java Map object along with three strategies to handle duplicate keys

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It's all about the future: Java 18 & 19, Hibernate 6 features, Groovy 4, Kotlin 1.6.2, permitted sealed classes, and API evolution.

A quick and practical guide to ByteBuffers.

Learn how Java Garbage Collection works.

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Java 18 GC improvements, cooperative thread interruptions, best practices for Java projects, feature flags, and scaling bottleneck.

Understand what an automorphic number is and learn a couple of approaches in Java to determine if a number is automorphic.

A quick and practical guide to long to int conversion in Java.

Learn how we can get a lock on a specific key to prevent concurrent actions on that key without impeding actions on other keys

Learn what Data Transfer Object (DTO), Value Object (VO), Plain Old Java Object (POJO), and JavaBeans are. Understand the differences between them and when to use each type.

Reconsidering DTOs, Spring Shell, Cloud CVEs, technical debts, and how we found dirty pipe vulnerability!

Java 18 is here, composite ids in JPA, Java language evolution, security features in Java 18, error handling, and a better hiring process!

Explore several ways to subtract days from a date object.