递归遍历某个文件夹下所有包含某类型的文件

import java.io.File;
import java.util.ArrayList;

public class FileSearchTest {
static ArrayList<String> fileList = new ArrayList<String>();

public static void main(String[] args) {
    String contentString = ".ini";
    ArrayList<String> resultArrayList = getallFiles(
            "D:/Program Files (x86)", contentString);
    for (int i = 0; i < resultArrayList.size(); i++) {
        System.out.println(resultArrayList.get(i));
    }
    System.out.println(resultArrayList.size());
}

public static ArrayList<String> getallFiles(String path, String content) {

    File file = new File(path);
    File[] files = file.listFiles();
    for (int i = 0; i < files.length; i++) {
        if (files[i].isDirectory()) {
            getallFiles(files[i].getAbsolutePath(),content);
        } else {
            String strFileName = files[i].getAbsolutePath();
            if (strFileName.endsWith(content)) {
                fileList.add(strFileName);
            }
        }
    }
    return fileList;
}

}