jdk源码原理的相关内容

JDK核心JAVA源码解析（5） - JAVA File MMAP原理解析（下）

3.2.2. 对MappedByteBuffer进行读写对于MappedByteBuffer的读写和对于ByteBuffer的读写是一样的，可以参考我的另一片文章：https://blog.csdn.net/zhxdick/article/details/511673133.2.2.1 对Mappe...

JDK核心JAVA源码解析（5） - JAVA File MMAP原理解析（中）

1.JNI调用1：调用fstat命令获取文件大小：FileDispatcherImpl.c：#define fstat64 fstat Java_sun_nio_ch_FileDispatcherImpl_size0(JNIEnv *env, jobject this, jobject fdo) {...

JDK的选型、安装与配置

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JDK核心JAVA源码解析（5） - JAVA File MMAP原理解析（上）

想写这个系列很久了，对自己也是个总结与提高。原来在学JAVA时，那些JAVA入门书籍会告诉你一些规律还有法则，但是用的时候我们一般很难想起来，因为我们用的少并且不知道为什么。知其所以然方能印象深刻并学以致用。本篇文章针对JAVA中的MMAP的文件映射读写机制，来分析为何很多告诉框架用了这个机制，以及...

从JDK源码角度看线程池原理

“池”技术对我们来说是非常熟悉的一个概念，它的引入是为了在某些场景下提高系统某些关键节点性能，最典型的例子就是数据库连接池，JDBC是一种服务供应接口（SPI），具体的数据库连接实现类由不同厂商实现，数据库连接的建立和销毁都是很耗时耗资源的操作...

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