Download File_project/File_module/src/File_package/File_demo8.java from zxy0307/Java: direct link, hf CLI and curl.
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995 Bytes
| package File_package; | |
| import java.io.File; | |
| public class File_demo8 { | |
| public static void main(String[] args) { | |
| /* | |
| public File[] listFiles() 获取当前该路径下所有内容(掌握) | |
| public File[] listFiles(FileFilter filter) 利用文件名过滤器获取当前该路径下所有内容 | |
| public File[] listFiles(FilenameFilter filter) 利用文件名过滤器获取当前该路径下所有内容 | |
| */ | |
| //1、创建File对象 | |
| File f = new File("/Users/zhaoxiaoyong/Documents/Java/File_project/File_module/src/File_package"); | |
| //2、需求:打印里面所有的demo文件 | |
| File[] arr = f.listFiles(); | |
| for (File file : arr) { | |
| //file依次表示File_package文件夹里面每一个文件或者文件夹的路径 | |
| if (file.isFile() && file.getName().startsWith("File_")) { | |
| System.out.println(file); | |
| } | |
| } | |
| } | |
| } | |