参考:http://blog.csdn.net/gongli109/article/details/7623407
windows:分号+点
javac -classpath ClassPath Test.java
javac -classpath D:\test\commons-collections-3.2.1.jar Test.java
java -classpath .:ClassPath Test
java -classpath .;D:\test\commons-collections-3.2.1.jar Test
linux:冒号+点
javac -classpath ClassPath Test.java
javac -classpath /home/songjian/testcommons-collections-3.2.1.jar Test.java
java -classpath .:ClassPath Test
java -classpath .:D:\test\commons-collections-3.2.1.jar Test