import java.io.File;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
public class Demo13 {
public static void main(String[] args) {
List<File> list = FileUtils.getAllFiles("D:/IOTest/");
// 按文件夹先显示的顺序:
Collections.sort(list, new Comparator<File>() {
@Override
public int compare(File o1, File o2) {
return (o1.isDirectory() ? 1 : -1)-(o2.isDirectory() ? 1 : -1);
}
});
// 按文件名称显示的顺序:
Collections.sort(list, new Comparator<File>() {
@Override
public int compare(File o1, File o2) {
return (o1.getName()).compareTo(o2.getName());
}
});
// 按文件大小的顺序:
Collections.sort(list, new Comparator<File>() {
@Override
public int compare(File o1, File o2) {
return (int) (o1.length() - o2.length());
}
});
for (File file : list) {
System.out.println(file.getName());
}
}
}