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Core Java
Maven 4 Highlights
Apache Maven 4 is the next major version of the widely-used build automation and project management tool for Java projects.…
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Enterprise Java
Project Reactor DataBuffer to Mono Example
In reactive Spring applications, especially those built with Spring WebFlux, data is often handled as streams rather than simple objects.…
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Enterprise Java
Java Commit with JdbcTemplate vs DataSource
In Spring-based Java applications, database access is commonly performed using JdbcTemplate or higher-level abstractions such as JPA. A frequent source…
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Core Java
Using @ConcreteProxy in Hibernate
Hibernate is a powerful ORM framework, but its use of proxies for lazy loading can sometimes lead to subtle and…
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Core Java
How to Reset and Reuse InputStream
In Java, InputStream is commonly used to read data from files, network sockets, or in-memory buffers. A frequent requirement is…
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Core Java
Jackson MongoDB POJO Mapping Example
In Java-based applications using MongoDB, converting data between MongoDB’s native document representation and Java Plain Old Java Objects (POJOs) is…
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Enterprise Java
Spring Data JPA save() Method Explained
In Spring Data JPA, the save() method is commonly used to persist or update entities. A frequent misconception is that…
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Core Java
Handling Null Values with MapStruct
MapStruct is a compile-time code generation framework that simplifies mapping between Java beans by eliminating boilerplate conversion code and relying…
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Core Java
Transposing a double[][] Matrix in Java
Matrix manipulation is common in Java applications, from data analytics to machine learning, and matrix transposition is one of the…
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