Java开发问题

Get java.util.Calendar from days since epoch(从纪元以来的天数获取 java.util.Calendar)
Does any JVM implement blocking with spin-waiting?(是否有任何 JVM 使用自旋等待实现阻塞?)
calling Object.notify() before Object.wait()(在 Object.wait() 之前调用 Object.notify())
How to make JUnit test cases to run in sequential order?(如何使 JUnit 测试用例按顺序运行?)
Using Java, How can I get a list of all local users on a windows machine(使用 Java,如何获取 Windows 机器上所有本地用户的列表)
Getting OS memory size from java(从java获取操作系统内存大小)
Detect if certain software is installed on a user#39;s machine in Java(检测某些软件是否安装在 Java 中的用户机器上)
How can my Java code read OS environment variables?(我的 Java 代码如何读取操作系统环境变量?)
How do you keep the machine awake?(如何让机器保持清醒?)
Java Threads vs OS Threads(Java 线程与操作系统线程)
How expensive is File.exists in Java(Java 中的 File.exists 有多贵)
How are Java Thread priorities translated to an OS thread priority?(Java 线程优先级如何转换为 OS 线程优先级?)