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- public int count(String filename) throws IOException {
- InputStream is = new BufferedInputStream(new FileInputStream(filename));
- try {
- byte[] c = new byte[1024];
- int count = 0;
- int readChars = 0;
- while ((readChars = is.read(c)) != -1) {
- for (int i = 0; i < readChars; ++i) {
- if (c[i] == 'n')
- ++count;
- }
- }
- return count;
- } finally {
- is.close();
- }
- }
- LineNumberReader lnr = new LineNumberReader(new FileReader(new File("File1")));
- lnr.skip(Long.MAX_VALUE);
- System.out.println(lnr.getLineNumber());
- public int countLines(String filename) throws IOException {
- LineNumberReader reader = new LineNumberReader(new FileReader(filename));
- int cnt = 0;
- String lineRead = "";
- while ((lineRead = reader.readLine()) != null) {}
- cnt = reader.getLineNumber();
- reader.close();
- return cnt;
- }
- public int countLines(String filename) throws IOException {
- LineNumberReader reader = new LineNumberReader(new FileReader(filename));
- int cnt = 0;
- String lineRead = "";
- while ((lineRead = reader.readLine()) != null) {}
- cnt = reader.getLineNumber();
- reader.close();
- return cnt;
- }
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