jdk版本：1.7 冒号分割jar包，1.8 分号分割jar包

javac -classpath fastjson-1.2.24.jar:jedis-2.9.0.jar Test.java
java -classpath fastjson-1.2.24.jar:jedis-2.9.0.jar Test

javac -classpath fastjson-1.2.24.jar;jedis-2.9.0.jar Test.java
java -classpath fastjson-1.2.24.jar;jedis-2.9.0.jar; Test

不常用的技能-【手动编译java类】