Core Java
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Mocking an Enum Using Mockito
When writing unit tests in Java, there are scenarios where we need to mock certain classes or behaviors to isolate…
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An Introduction to Contract Testing in Java with Pact
In modern microservice architectures, communication between services is key. However, ensuring that services interact correctly can be challenging, especially when…
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Determine CSV File Delimiter In Java
CSV (Comma Separated Values) files are widely used for data storage and transfer. While the default delimiter is often a…
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Iterate over a Guava Multimap
A Multimap is a collection that maps keys to values, where each key may be associated with multiple values. Let…
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Mastering Java: Advanced Programming Concepts for Developers
In the world of modern software development, mastering advanced programming concepts is essential for building robust, scalable, and maintainable applications.…
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Lombok @Locked Annotation Example
Lombok is a popular Java library that helps reduce boilerplate code by automatically generating getters, setters, constructors, and more. One…
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Format Output in a Table Format Using System.out
Formatting output in a table-like structure is essential for displaying data in a clear and organized way. Java provides several…
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Optional Fields in JPA Entity Example
1. Introduction JPA Entity can have optional fields as not every data is needed for every operation. In this example,…
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Mastering Stream API: Advanced Techniques for Java Collections
The Java Stream API, introduced in Java 8, provides a powerful way to process collections of data in a functional…
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