How to use

readChar

method

in

java.io.BufferedReader

/**
 * Reads a single character from this reader and returns it with the two
 * higher-order bytes set to 0. If possible, BufferedReader returns a
 * character from the buffer. If there are no characters available in the
 * buffer, it fills the buffer and then returns a character. It returns -1
 * if there are no more characters in the source reader.
 *
 * @return the character read or -1 if the end of the source reader has been
 *         reached.
 * @throws IOException
 *             if this reader is closed or some other I/O error occurs.
 */
@Override
public int read() throws IOException {
  synchronized (lock) {
    checkNotClosed();
    int ch = readChar();
    if (lastWasCR && ch == '\n') {
      ch = readChar();
    }
    lastWasCR = false;
    return ch;
  }
}

/**
 * Reads a single character from this reader and returns it with the two
 * higher-order bytes set to 0. If possible, BufferedReader returns a
 * character from the buffer. If there are no characters available in the
 * buffer, it fills the buffer and then returns a character. It returns -1
 * if there are no more characters in the source reader.
 *
 * @return the character read or -1 if the end of the source reader has been
 *         reached.
 * @throws IOException
 *             if this reader is closed or some other I/O error occurs.
 */
@Override
public int read() throws IOException {
  synchronized (lock) {
    checkNotClosed();
    int ch = readChar();
    if (lastWasCR && ch == '\n') {
      ch = readChar();
    }
    lastWasCR = false;
    return ch;
  }
}

/**
 * Reads a single character from this reader and returns it with the two
 * higher-order bytes set to 0. If possible, BufferedReader returns a
 * character from the buffer. If there are no characters available in the
 * buffer, it fills the buffer and then returns a character. It returns -1
 * if there are no more characters in the source reader.
 *
 * @return the character read or -1 if the end of the source reader has been
 *         reached.
 * @throws IOException
 *             if this reader is closed or some other I/O error occurs.
 */
@Override
public int read() throws IOException {
  synchronized (lock) {
    checkNotClosed();
    int ch = readChar();
    if (lastWasCR && ch == '\n') {
      ch = readChar();
    }
    lastWasCR = false;
    return ch;
  }
}

/**
 * Reads a single character from this reader and returns it with the two
 * higher-order bytes set to 0. If possible, BufferedReader returns a
 * character from the buffer. If there are no characters available in the
 * buffer, it fills the buffer and then returns a character. It returns -1
 * if there are no more characters in the source reader.
 *
 * @return the character read or -1 if the end of the source reader has been
 *         reached.
 * @throws IOException
 *             if this reader is closed or some other I/O error occurs.
 */
@Override
public int read() throws IOException {
  synchronized (lock) {
    checkNotClosed();
    int ch = readChar();
    if (lastWasCR && ch == '\n') {
      ch = readChar();
    }
    lastWasCR = false;
    return ch;
  }
}

/**
 * Reads a single character from this reader and returns it with the two
 * higher-order bytes set to 0. If possible, BufferedReader returns a
 * character from the buffer. If there are no characters available in the
 * buffer, it fills the buffer and then returns a character. It returns -1
 * if there are no more characters in the source reader.
 *
 * @return the character read or -1 if the end of the source reader has been
 *         reached.
 * @throws IOException
 *             if this reader is closed or some other I/O error occurs.
 */
@Override
public int read() throws IOException {
  synchronized (lock) {
    checkNotClosed();
    int ch = readChar();
    if (lastWasCR && ch == '\n') {
      ch = readChar();
    }
    lastWasCR = false;
    return ch;
  }
}

/**
 * Reads a single character from this reader and returns it with the two
 * higher-order bytes set to 0. If possible, BufferedReader returns a
 * character from the buffer. If there are no characters available in the
 * buffer, it fills the buffer and then returns a character. It returns -1
 * if there are no more characters in the source reader.
 *
 * @return the character read or -1 if the end of the source reader has been
 *         reached.
 * @throws IOException
 *             if this reader is closed or some other I/O error occurs.
 */
@Override
public int read() throws IOException {
  synchronized (lock) {
    checkNotClosed();
    int ch = readChar();
    if (lastWasCR && ch == '\n') {
      ch = readChar();
    }
    lastWasCR = false;
    return ch;
  }
}

/**
 * Reads a single character from this reader and returns it with the two
 * higher-order bytes set to 0. If possible, BufferedReader returns a
 * character from the buffer. If there are no characters available in the
 * buffer, it fills the buffer and then returns a character. It returns -1
 * if there are no more characters in the source reader.
 *
 * @return the character read or -1 if the end of the source reader has been
 *         reached.
 * @throws IOException
 *             if this reader is closed or some other I/O error occurs.
 */
@Override
public int read() throws IOException {
  synchronized (lock) {
    checkNotClosed();
    int ch = readChar();
    if (lastWasCR && ch == '\n') {
      ch = readChar();
    }
    lastWasCR = false;
    return ch;
  }
}

/**
 * Reads a single character from this reader and returns it with the two
 * higher-order bytes set to 0. If possible, BufferedReader returns a
 * character from the buffer. If there are no characters available in the
 * buffer, it fills the buffer and then returns a character. It returns -1
 * if there are no more characters in the source reader.
 *
 * @return the character read or -1 if the end of the source reader has been
 *         reached.
 * @throws IOException
 *             if this reader is closed or some other I/O error occurs.
 */
@Override
public int read() throws IOException {
  synchronized (lock) {
    checkNotClosed();
    int ch = readChar();
    if (lastWasCR && ch == '\n') {
      ch = readChar();
    }
    lastWasCR = false;
    return ch;
  }
}