使用File查询出所有的文件和目录的信息
public class Test34 {
	public static void main(String[] args) {
		File f=new File("f:");
		File [] fl=f.listFiles();
		for(File fls:fl)
		{
			System.out.println(fls);
		}
		
		
		
	}
}
public class Test34 {
	public static void main(String[] args) {
		File f=new File("f:");
		File [] fl=f.listFiles();
		for(File fls:fl)
		{
			System.out.println(fls);
		}
		
		
		
	}
}
