由浅入深的介绍JAVAse的基本编程思想

				import java.io.File;
				import java.util.Date;
				public class TestFile{
					public static void main(String[] args) {
						File f1 = new File("a.jpg");
						File f2 = new File("D:\\temp\\","moved.jpg");
						File f3 = new File("D:\\temp\\b.txt");
						File f4 = new File("D:\\ex\\");		
						
						System.out.println("Name: " + f1.getName());
						System.out.println("Path: " + f1.getPath());
						System.out.println("AbsolutePath: " + f1.getAbsolutePath());
						System.out.println("Parent: " + f1.getParent());
						System.out.println("lastModified: " + new Date(f1.lastModified()));
						System.out.println("length: " + f1.length());
						System.out.println("exists: " + f1.exists());
						System.out.println("canRead: " + f1.canRead());
						System.out.println("canWrite: " + f1.canWrite());
						System.out.println("isFile: " + f1.isFile());
						System.out.println("isHidden: " + f1.isHidden());
						System.out.println("isDirectory: " + f1.isDirectory());
						System.out.println("isAbsolute: " + f1.isAbsolute());
						System.out.println("length: " + f1.length());
						
						f3.delete();
						try{
							System.out.println("createNewFile: " 
								+ new File("c.txt").createNewFile());
						}catch(java.io.IOException e){
							e.printStackTrace();	
						}
						
						f1.setReadOnly();
						f1.renameTo(f2);
						System.out.println("createNewFile: " 
							+ new File("D:\\newPath\\").mkdir());
						System.out.println("listFiles:");
						for(File f : f4.listFiles()){
							System.out.println("    -" + f.getName());
						}
					}
				}