51CTO

面试官问JVM内存模型，90%的人只答了堆和栈

JVM内存模型远不止"堆和栈"。5个运行时数据区域各有职责，程序计数器记录执行位置，虚拟机栈管理方法调用，堆存放对象，方法区存类信息。加上类加载的双亲委派、垃圾回收的可达性分析和分代收集，这才是JVM原理的完整拼图。 一、一个被问住的真实场景 ...
GitHub

️ Exception Handling in Java — Complete Notes

Imagine you're driving on a highway (your program is running). Suddenly, a tyre gets punctured (an exception occurs). If you don't have a spare tyre (no exception handling), you're stuck on the road ...
Hacker

Java Under the Hood - Dive Into JVM Memory Model and Garbage Collector

Passionate and pragmatic Software Engineer at the intersection of backend, data engineering, and developer tooling. I’ve started my programming journey more than 8 years ago with a book on learning ...
InfoWorld

What is the JVM? Introducing the Java virtual machine

The Java virtual machine manages application memory and provides a portable execution environment for Java-based applications. Developers reap the rewards in performance, stability, and predictable ...
51CTO

Java 异常详解：从崩溃到优雅，这篇文章让你彻底搞懂！

今天这篇文章，我们就从理论到实践，全方位剖析 Java 异常，让你从此面对异常不再手足无措！ 你是否曾遇到过这样的场景：辛辛苦苦写了几百行 Java 代码，运行时却突然弹出一行刺眼的红色文字，程序直接崩溃？别慌，这其实是 Java 在 “善意提醒”—— 你的 ...
TheServerSide

How to fix high Java CPU usage problems

Can you explain object-oriented programming to me like I'm 5 years old? Probably not. But here's a straightforward explanation of what OOP is ... Use Spring MVC MultipartFile, Java Path APIs and the ...
搜狐

麦当劳二面，直接秒了。。

麦当劳二面，直接秒了。。 是的，你没看错，麦当劳其实也是有开发岗位的，在国内有一个麦当劳中国科技研发中心，主要是负责麦当劳餐饮系统相关的开发，所以客户端、前端、后端开发这些 IT 岗位都是有的。 麦当劳是世界 500 强企业，如果冲进麦当劳做 ...
InfoWorld

What is the JRE? Introduction to the Java Runtime Environment

Together, the Java Development Kit (JDK), the Java Virtual Machine (JVM), and the Java Runtime Environment (JRE) form a powerful trifecta of Java and Jakarta EE platform components for developing and ...