File list (Check if you may need any files):
java飞鸽传书
............\getDragFileNames.class
............\getDragFileNames.java
............\getDragFileNames.java~
............\getFilePane$1.class
............\getFilePane$bListener.class
............\getFilePane$myMouseClick.class
............\getFilePane.class
............\getFilePane.java
............\getFilePane.java~
............\ipAddressListPane$1.class
............\ipAddressListPane$bListener.class
............\ipAddressListPane.class
............\ipAddressListPane.java
............\ipAddressListPane.java~
............\Mainframe.class
............\Mainframe.java
............\Mainframe.java~
............\mainPane.class
............\mainPane.java~
............\ProgressBarFrame.class
............\ProgressBarFrame.java
............\ProgressBarFrame.java~
............\ProgressBarPane.class
............\ProgressBarPane.java
............\ProgressBarPane.java~
............\threadClient.class
............\threadClient.java
............\threadClient.java~
............\threadFileClient.class
............\threadFileClient.java
............\threadFileClient.java~
............\threadFileServer.class
............\threadFileServer.java
............\threadFileServer.java~
............\threadServer.class
............\threadServer.java
............\threadServer.java~