Core Java
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Using Social Login Authentication in Spring Boot with OAuth2
Social login is a mechanism that allows users to sign into an application using their existing credentials from social networking…
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Filter Nested Collections with Stream in Java
The Java Stream API offers powerful filtering capabilities for elements within a Stream. However, when these stream elements include nested…
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Filter a Map by Keys and Values using Java Stream
Discover how to filter a Map by keys, values, or both using Java 8’s Stream API with the filter() and…
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Lombok Constructor Annotations Example
1. Introduction Lombok is an open-source Java library that generates getter, setter, toString, equals, hashCode, and constructors automatically to reduce…
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Mastering ExecutorService for Concurrency
In the ever-evolving world of software development, the ability to manage concurrent tasks efficiently is paramount. Traditional threading approaches can…
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Unveiling the Magic of HashMaps in Java
Have you ever wondered how Java manages to efficiently store and retrieve information based on key-value pairs? The answer lies…
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How to Use Pair With Java PriorityQueue
Java’s PriorityQueue is a data structure that allows us to store and retrieve elements in a specific order. This article…
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assertEquals() vs. assertSame() in JUnit
JUnit is a widely used testing framework. Its API offers a straightforward approach to checking and comparing objects. However, the…
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10 Pillars of Clean Java Code
In the ever-evolving world of software development, crafting clean Java code is an essential skill. Clean code goes beyond functionality;…
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