Java classloader机制测试命令

cd /d E:StudyJavaThreadStudyThreadStudysrc

javac HelloLoader.java

java cn/hacker/cas/FindClassOrder

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cd /d E:StudyJavaThreadStudyThreadStudysrc

javac cnhackercasFindClassOrder.java

java -Xbootclasspath/a:E:StudyJavaThreadStudyThreadStudysrc cn/hacker/cas/FindClassOrder

java  -Xbootclasspath/p:"%JAVA_HOME%"/jre/lib/rt.jar;E:StudyJavaThreadStudyThreadStudysrcHelloLoader.jar cn/hacker/cas/FindClassOrder

Java类的热替换：https://www.ibm.com/developerworks/cn/java/j-lo-hotswapcls/index.html