摘要：Question: Explain Java class loaders? If you have a class in a package, what do you need to do to run it? Explain dynamic class loading?Answer : Class loaders are hierarchical. Classes are introduced into the JVM as they are referenced by name in a class that is already running in the JVM. So, how i 阅读全文

摘要：原文出处：http://blog.chenlb.com/2009/06/java-classloader-architecture.htmljvm classLoader architecture：Bootstrap ClassLoader/启动类加载器 主要负责jdk_home/lib目录下的核心 api 或 -Xbootclasspath 选项指定的jar包装入工作。Extension ClassLoader/扩展类加载器 主要负责jdk_home/lib/ext目录下的jar包或 -Djava.ext.dirs 指定目录下的jar包装入工作。System ClassLoader/系统类加 阅读全文