Learning Java IO knowledge summary

1, File class using:

　　· Constructor: public File (String path), File.sepatator representing the separator;

　　· Determine whether a file exists: public boolean exitsts ();

　　· Get ​​parent path: public File getParentFile ();

　　• Create Directory: public void mkdirs ();

　　· Delete files: public void deltete ();

2, file copy program: InputStream, OutputStream operation;

3, the output data using print program stream (PrintStream, PrintWriter), the input data using the Scanner (provided with a separator problem, if the file set delimiter trouble, it is replaced with BufferedReader Scanner);

4, the target sequence: class implements java.io.Serializable interface.

Reproduced in: https: //www.cnblogs.com/kvikon/p/4689321.html