fileoption.java

图书馆座位管理系统

package fileUtility;

import java.io.File;

public class FileOption {


    public static File[] listFiles(String ends, File directory) {
        String ss[] = directory.list();
        if (ss == null) {
            return null;
        }
        int n = 0;
        for (int i = 0; i < ss.length; i++) {
            if (ss[i].endsWith(ends)) {
                n++;
            }
        }
        if (n == 0) {
            return null;
        }
        File files[] = new File[n];
        int j = 0;
        for (int i = 0; j < n; i++) {
            if (ss[i].endsWith(ends)) {
                files[j] = new File(directory.getPath(), ss[i]);
                j++;

            }
        }
        return files;

    }

}