PriorityBlockingQueue In Java

Introduction: A PriorityBlockingQueue in Java implements the BlockingQueue interface and supports the features of a PriorityQueue. So, what’s a BlockingQueue?…

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@Component vs @Repository vs @Service in Spring

Introduction: With Spring’s auto-scanning feature, it automatically detects various beans defined in our application. We usually annotate our beans using…

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Spring Core Annotations

Introduction: Spring annotations present in the org.springframework.beans.factory.annotation and org.springframework.context.annotation packages are commonly known as Spring Core annotations. We can divide them…

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LinkedHashMap In Java

Introduction: LinkedHashMap is a Map implementation which maintains the insertion order of its elements. It extends the HashMap class: public class…

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Creating Custom Maven Archetype

Maven archetypes are the project templates which can help us quickly create a maven starter project based on its type.…

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Spring @Value Annotation

Introduction: Spring @Value annotation is used to inject values into variables and method arguments. We can either read spring environment…

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Java equals() and hashCode()

Introduction: Java Object class provides basic implementation of methods – hashCode() and equals(). These methods are extremely useful especially when…

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WeakHashMap In Java

A WeakHashMap in Java is a pretty popular data-structure among mid to senior-level Java developers. The WeakHashMap class is present in…

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Maven Dependency Scopes

Introduction: Managing dependencies is a core feature of Maven. When defining a maven dependency, the scope attribute defines the visibility…

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