Why Swapping Two Integers Fails in Java? Exploring Pass‑by‑Value, Handles, and Integer Caching

This article dissects a Java interview question about swapping two Integer variables, explaining Java's pass‑by‑value semantics, the difference between handle‑based and direct pointer object access, Integer immutability, autoboxing, the IntegerCache mechanism, and how reflection can (or cannot) modify private final fields.

AutoboxingJDKReflection

0 likes · 10 min read

Why Swapping Two Integers Fails in Java? Exploring Pass‑by‑Value, Handles, and Integer Caching

21CTO

Sep 22, 2017 · Backend Development

What’s New in Java 9? A Deep Dive into 150+ Features and Future Directions

This article reviews Java 9’s extensive new features—including the module system, jshell REPL, performance and security enhancements—explains their impact on development practices, and discusses the challenges and future directions for the Java platform.

JDKJVMJava 9

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What’s New in Java 9? A Deep Dive into 150+ Features and Future Directions

360 Quality & Efficiency

Jul 14, 2016 · Operations

Using Java Vuser in LoadRunner for Performance Testing: Environment Setup and Script Development

This article explains how to configure a Java development environment and set up LoadRunner to generate dynamic signatures and encryption for performance testing, detailing steps such as installing JDK 1.6, creating Java Vusers, configuring classpaths, and utilizing various Java libraries within LoadRunner scripts.

JDKJavaPerformance Testing

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Using Java Vuser in LoadRunner for Performance Testing: Environment Setup and Script Development

Art of Distributed System Architecture Design

Apr 10, 2015 · Backend Development

Understanding Thread Pool Implementations in JDK, Jetty, and Tomcat

This article analyzes the core principles and components of thread pools, explains why they are essential for performance and flow control, and compares the concrete implementations in JDK, Jetty 6, Jetty 8, and Tomcat, providing guidance for developers who wish to use or customize thread pools.

JDKJavaJetty

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Understanding Thread Pool Implementations in JDK, Jetty, and Tomcat

Qunar Tech Salon

Dec 9, 2014 · Fundamentals

Oracle Announces Second Set of Java 9 Features Including Unified JVM Logging, Compiler Controls, and Module System Enhancements

Oracle has revealed the remaining four Java 9 JEPs—unified JVM logging, finer‑grained compiler controls, removal of obsolete garbage‑collector combos, and fixes to the Coin project—while also confirming modularization, DTLS support, HTML5 Javadoc output, and upcoming import‑warning clean‑up, signaling a clearer roadmap for the next Java release.

JDKJEPJVM

0 likes · 5 min read

Oracle Announces Second Set of Java 9 Features Including Unified JVM Logging, Compiler Controls, and Module System Enhancements