first commit
added source codes
revised StringProcessor
finish revising all *.java files
Update README
Update README
Rename README to README.md
Update README.md
Update README.md
Update README.md
made a package named `lib` to put all the classes
Merge branch 'master' of https://github.com/JohnsonChang2012/JavaCodes
Update README.md
Delete IOTest.java
first branch test
Update Queue.java
Update Queue.java
test commit
merge test1
added tree classes