Java
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Java Execute JAR File Example
A JAR (Java Archive) file is a packaged collection of Java classes and resources that can be executed as a…
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Fix ClassCastException Ljava.lang.Object to Ljava.lang.Integer
In Java, the ClassCastException occurs when we attempt to cast an object to a subclass of which it is not…
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Java Micronaut in Docker: A Guide with Maven and Jib
Micronaut is a modern, JVM-based framework designed for building microservices and serverless applications. It’s known for its low memory footprint,…
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IntelliJ IDEA Include External JAR Example
1. Introduction IntelliJ IDEA is an integrated development environment (IDE) developed by JetBrains. Including external JAR is essential for various…
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Java ServerSocket Simple HTTP Server Example
An HTTP server is responsible for serving resources to a requesting client. While Java offers several production-grade web servers, understanding…
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Java JDBC Execute Multiple Statements Example
When working with databases in Java, it’s common to execute multiple SQL statements in a single execution. This improves efficiency…
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Java Unleash Feature Flags Example
Feature flags, also known as feature toggles, are a powerful technique in software development that allows you to enable or…
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Spring Cloud Microservices: Service Discovery and Tracing
Microservices architecture has become a popular approach for building scalable and maintainable applications. Spring Cloud provides a suite of tools…
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Adding a Non-Null Value to a Map in Java
When working with Java’s Map data structure, it is common to check whether a value is null before inserting it…
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