这是一张java应用教程的随书光盘

				import java.io.*;
				class FileTest1
				{
				 public static void main(String args[]){
				  System.out.println("path separater      "+File.pathSeparator);
				  System.out.println("path separater char "+File.pathSeparatorChar);
				  System.out.println("separater           "+File.separator);
				  System.out.println("separater char      "+File.separatorChar);
				  File p=new File("c:/qq/");
				  File f=new File(p,"ReadMe.txt");
				  System.out.println();
				  System.out.println(f);
				  System.out.println("exist?             "+f.exists());
				  System.out.println("name               "+f.getName());
				  System.out.println("len                "+f.length());
				  System.out.println("path               "+f.getPath());
				  System.out.println("Parent             "+f.getParent());
				  System.out.println("is a file          "+f.isFile());
				  System.out.println("is a directory     "+f.isDirectory());
				  System.out.println("can read           "+f.canRead());
				  System.out.println("can write          "+f.canWrite());
				  System.out.println("is modified        "+f.lastModified());
				  File newFile=new File("Hello.txt");
				  f.renameTo(newFile);
				  System.out.println("original exist?    "+f.exists());
				  System.out.println("new exist?         "+newFile.exists());
				  System.out.println("newFile name       "+newFile.getName());
				  System.out.println("Absolute path      "+newFile.getAbsolutePath());
				 }
				}