Core Java
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Unit Testing of ExecutorService in Java With No Thread sleep
Unit testing concurrent code, especially code utilizing ExecutorService, presents unique challenges due to its asynchronous nature. Traditional approaches often involve…
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Java Stream contains, containsAny and containsAll examples
The Java 8 Stream API provides various methods for operating on sequences of elements, such as filtering, mapping, and collecting.…
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Java Object Mapping Made Easy: A Guide to MapStruct
Juggling data conversions between different object structures can be a tedious and error-prone task in Java applications. Traditionally, developers write…
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Casting Maps into Complex Objects in Java
In Java, there is often a need to convert a Map to a complex object (POJO – Plain Old Java…
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Preventing IndexOutOfBoundsException with List.subList() in Java
The List.subList() method in Java allows you to create a view of a portion of a list, defined by a…
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Implement Elvis Operator in Java 8
In Java 8, the Elvis operator (often written as ?: in Groovy and Kotlin) is not available as a built-in…
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Choosing the Right Java ORM for Your Project
Java applications often interact with relational databases to store and retrieve data. This can involve writing tedious and error-prone SQL…
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Moshi java.time.LocalDate requires explicit JsonAdapter
Let us delve into understanding why Moshi java.time.LocalDate requires an explicit JsonAdapter to be registered. 1. Introduction Moshi is a…
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Optimizing Java Applications with Thread Dump Analysis
Java applications, like any complex software, can suffer from performance degradation. This can manifest as slow response times, application freezes,…
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