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Reusing a PreparedStatement Multiple Times in Java
1. Overview In this tutorial, we’ll be looking at how to use PreparedStatements efficiently. A PreparedStatement is an object that stores a precompiled SQL statement for us. We can then use this object...
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Java Naming Conventions
1. Overview In this tutorial, we explore the essential Java naming conventions that help us write clear, maintainable, and consistent code. Adopting these conventions is crucial for reducing ambiguity...
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Monitor Non-Heap Memory Usage of a JVM
1. Overview Using a Java application, we sometimes face issues with memory consumption. In general, we can categorize all problems into those based on heap memory usage and those based on non-heap...
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Closing Scanner in Java
1. Introduction When we use Java’s Scanner class to read input from System.in, some IDEs may warn about a potential resource leak. For instance, if we don’t explicitly close the Scanner we may face a...
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Open Multiple Projects in the Same Window in IntelliJ IDEA
1. Introduction Nowadays, working with multiple projects is very common. Opening multiple instances of the IDE for each project isn’t very convenient and also consumes a lot of system resources. In...
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Java Weekly, Issue 587
1. Spring and Java >> Performance Improvements in JDK 24 [inside.java] The “under-the-hood” changes in JDK 24 are easy to miss among all the new features and improvements. Take a look at a...
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Output the Version Number to a Text File Using Maven
1. Overview In Maven-based Java projects, outputting the project version number to a text file is often necessary. This is useful for version tracking, logging, and ensuring consistency across...
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Integrating WireMock with Spring Boot
1. Introduction Testing external dependencies such as REST APIs can be challenging when developing web applications. Making network calls is slow and unreliable, as third-party services might be...
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EnableEurekaClient vs EnableDiscoveryClient: Which to Use?
1. Introduction In this tutorial, we’ll examine what distinguishes @EnableEurekaClient from @EnableDiscoveryClient. Both are annotations used when working with the service registry in Spring Boot while...
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Java API for GitHub using GitHub-API
1. Introduction In this article, we’re going to have a look at the GitHub API For Java library. This provides us with an object-oriented representation of the GitHib API, allowing us to easily interact...
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Connect Java Spring Boot to Db2 Database
1. Overview IBM Db2 is a cloud-native, relational database system that also supports semi-structured data such as JSON and XML. It’s designed to handle large volumes of data at low latency. In this...
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Java Weekly, Issue 588
1. Spring and Java >> Doing away with SELECT NEW [in.relation.to] Hibernate 6 simplifies the syntax for returning a subset of attributes into a Java class. This is also a proposal for the Jakarta...
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