本文介绍了一下OpenJDK的最新技术，对象头压缩，来大幅优化Java对象的内存占用。 前言 Java丰富的生态和语言强大的内存管理技术（GC），使得Java应用的开发非常便捷，各类应用场景的适配都非常优秀，大大减少了从Idea到应用落地的难度。不过这一切也不是没有 ...

Most Java developers who come from a C/C++ background have probably at one time wished for a Java equivalent of sizeof(). Although Java lacks a true sizeof() equivalent, the Instrumentation interface ...

Imagine you are an expert object-oriented Java developer who meticulously crafts code the way an artist cares for their masterpiece. You believe clean code is an absolute necessity. Classes with clear ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...