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Core Java
hasItems() vs. contains() vs. containsInAnyOrder() in Hamcrest
Hamcrest is a popular framework for writing matcher objects, allowing for more readable and flexible unit tests. Among its many…
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Core Java
Solve UnsupportedTemporalTypeException Unsupported Field InstantSeconds
When working with Java’s date and time API, you may encounter the UnsupportedTemporalTypeException with the message Unsupported field: InstantSeconds. Let…
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Core Java
Check if a Variable Is Null Using Hamcrest
In unit testing, verifying that a variable is null is a common task. Hamcrest, a popular framework for writing matcher…
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Core Java
Insert JSON Object to PostgreSQL using preparedStatement
Storing JSON data in a PostgreSQL database can be quite efficient and effective. PostgreSQL offers two data types to store…
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Enterprise Java
Finding the Max Value in Spring Data JPA
When working with Spring Data JPA, retrieving specific values from a database is a common requirement. One such requirement is…
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Core Java
Guide to CompletableFuture join() vs get()
Java’s CompletableFuture is a powerful tool for asynchronous programming, offering various methods to handle and manipulate future tasks. Among these…
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Enterprise Java
Using Reactor Mono.cache() for Memoization In Spring
Memoization is an optimization technique used to speed up applications by storing the results of expensive function calls and reusing…
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Core Java
Java 22 Overview
Java 22 brings a host of new features and improvements to the table, making it one of the most anticipated…
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Software Development
Full and Partial Text Search in MongoDB
MongoDB, a popular NoSQL database, offers powerful text search capabilities that allow developers to perform full and partial text searches…
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