#vulnerable code 
                                public static void reloadDic(List<InputStream> inputStreamList) {
        if (singleton == null) {
            Configuration cfg = DefaultConfig.getInstance();
            initial(cfg);
        }
        for (InputStream is : inputStreamList) {
            try {
                BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"), 512);
                String theWord;
                do {
                    theWord = br.readLine();
                    if (theWord != null && !"".equals(theWord.trim())) {
                        singleton._MainDict.fillSegment(theWord.trim().toLowerCase().toCharArray());
                    }
                } while (theWord != null);
            } catch (IOException ioe) {
                System.err.println("Other Dictionary loading exception.");
                ioe.printStackTrace();
            } finally {
                try {
                    if (is != null) {
                        is.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    } 
                            #location 16 
                            #vulnerability type RESOURCE_LEAK
#fixed code
                                public static void reloadDic(List<InputStream> inputStreamList) {
        // 如果本类单例尚未实例化，则先进行初始化操作
        if (singleton == null) {
            Configuration cfg = DefaultConfig.getInstance();
            initial(cfg);
        }
        // 对词典流集合进行循环读取，将读取到的词语加载到主词典中
        for (InputStream is : inputStreamList) {
            try {
                BufferedReader br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8), 512);
                String theWord;
                do {
                    theWord = br.readLine();
                    if (theWord != null && !"".equals(theWord.trim())) {
                        singleton._MainDict.fillSegment(theWord.trim().toLowerCase().toCharArray());
                    }
                } while (theWord != null);
            } catch (IOException ioe) {
                System.err.println("Other Dictionary loading exception.");
                ioe.printStackTrace();
            } finally {
                try {
                    if (is != null) {
                        is.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }