FileNameFilter是一个接口,需重写其accept();
String[] arr = dir.list(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
System.out.println(dir);
//System.out.println(name);
File file = new File(dir, name);
return file.isFile() && file.getName().endsWith(".jpg");
}
});
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