Java
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Hamcrest Collection hasItem() Example
In Java, it’s common to check whether a collection contains a specific element. This is a frequent task in testing…
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Using Spring AI Structured Output: List, Map, and Bean Converters
In Spring AI, structured output converters play a crucial role in handling the responses returned by AI models. Specifically, MapOutputConverter,…
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JPA Inheritance vs Composition Spring Boot Example
1. Introduction Inheritance is an “IS-A” type of relationship in object-oriented programming (OOP). Inheritance is tightly coupled since child classes…
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Enhancing Java Objects with the Decorator Design Pattern
The Decorator design pattern is a structural pattern that provides a flexible way to add new behaviors to objects dynamically…
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Testcontainers JDBC Support
Testcontainers is a powerful library designed to simplify the testing of database interactions, especially when dealing with different environments and…
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Java Array: Count Distinct Elements Frequencies
In programming, one common task is counting the number of times a specific element appears in an array. This is…
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Spring Cloud Gateway: A Practical Approach
In the realm of microservices architecture, a gateway serves as a unified entry point for multiple microservices. It acts as…
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Maven Spotless Plugin for Java
Maintaining a consistent code style across a project is crucial for readability, collaboration, and long-term maintainability. The Maven Spotless Plugin…
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Getting the Insert ID in JDBC
When working with relational databases in Java, it’s common to perform insert operations and then retrieve the ID of the…
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