Java Byte Memory Size: 8 Bits or Same as Int? Clearing the Confusion
Java, as one of the most widely used programming languages, is known for its portability, robustness, and strict type system. However, even experienced...
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Top Simple Java Statistics Packages for Calculating Mean, Standard Deviation & More (No Hand-Coding Needed!)
As a Java developer, you’ve likely encountered scenarios where you need to compute basic statistics—mean, standard deviation, median, or variance—for datasets....
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How to Create a Simple HTTP Server in Java Using Only Java SE API (No Manual Request Parsing)
In the world of web development, HTTP servers are the backbone of communication between clients (like browsers) and servers. While frameworks like Spring Boot...
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Should You Set -Xmx (Max Java Heap Size) in Kubernetes Containers? JVM Heap vs. Resource Limits Explained
Running Java applications in Kubernetes offers scalability, resilience, and orchestration benefits—but it also introduces unique challenges around resource...
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Setting Timezone for Maven Unit Tests in Java 8: Fixing Surefire systemPropertyVariables Not Working
Timezone consistency is critical for reliable unit tests, especially in distributed teams or CI/CD pipelines where tests may run on machines with different...
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How to Properly Set Default Java Character Encoding Programmatically in JVM 1.5.x: Troubleshooting System.setProperty and getBytes Issues
Character encoding is a critical aspect of Java development, ensuring that text data is converted between bytes and characters correctly. In legacy systems...
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How to Send HTTP POST Request with ID Parameter in Java to PHP Page: Step-by-Step Guide Using URLConnection
In modern web development, integrating different technologies is a common requirement. For example, you might need a Java application to communicate with a PHP...
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SDKMAN Missing Java 8.0.191-oracle on Ubuntu 18.10? Troubleshooting the Discrepancy Between Systems
As a developer, managing multiple Java versions across systems can be a breeze with tools like **SDKMAN!** (Software Development Kit Manager). SDKMAN!...
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How to Create a SDKMAN Hook to Link Debian's /etc/ssl/java/cacerts to the Currently Used Java SDK
If you’re a developer using Debian or Ubuntu and manage multiple Java versions with [SDKMAN!](https://sdkman.io/), you may have encountered a common...
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How to Reverse a Sentence in Java: Step-by-Step Program Example with Input/Output
Reversing a sentence is a common string manipulation task in programming, often asked in interviews and coding exercises. Unlike reversing individual...