Initial commit
Create IO_test
Rename IO_test to testdrive.java
Update testdrive.java

First java push. The use of Java IO RandomAccessFile class. And how to slit the String into the length you want.
Create pipeStreamTestDrive.java

pipestream
Update pipeStreamTestDrive.java
Create HelloServer.java

TCP/Java/server/
Create HelloClient.java

TCP/Java/client/
Create testio.java

test io: input && password input method.
Create fileio.java

stream IO/file&&input/output&&input/
Create managerTestDrive.java

The program demonstrates inheritance.
Create managerinheritanceTestDrive.java

The program demonstrates and tansformation.
Update managerinheritanceTestDrive.java

向下造型的使用。将向下造型的结果还原回去。而不能将非向下造型的结果父类变量进行向下造型。
Create abstractTestDrive.java

The Test of abstract feature.
Create chesse.java
first commit
Delete 1.txt
modified testio.java
delete 1.txt
Merge branch 'master' of github.com:trileverwt/java_test