Java遍历文件目录

public class FileTraversal {
	
	public static int i ;
	
	public static void traversal(File file){
		try{
			for(File f : file.listFiles()){
				System.out.println(i+++"::"+f);
				if(i==1000)
					System.exit(0);
				if(f.isDirectory()){
					traversal(f);
				}
			}
		}catch(Exception e){
			return;
		}
		
	}

	public static void main(String[] args) throws IOException {
		File file = new File("D:/");
		traversal(file);
	}
}