Count the number of lines in the buffer

        

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import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

public class Util{
    /**
     * Count the number of lines in the buffer.
     *
     * @param strData String
     * @return int
     * @throws IOException
     */
    public int countLinesBuffer(final String strData) throws IOException {

        if (strData != null) {
            final ByteArrayInputStream stream = new ByteArrayInputStream(strData.getBytes());
            final BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
            int lineNumber = 0;
            try {
                String data = "";
                do {
                    data = reader.readLine();
                    if (data != null) {
                        lineNumber++;
                    } // End of the if //
                } while(data != null);
                return lineNumber;
            } finally {
                if (reader != null) {
                    try {
                        reader.close();
                    } catch (IOException e) {
                        ;
                    }
                }
            } // End of Finally //
        } // End of Main If //
        return 0;
    }
}

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Count the number of lines in the buffer : BufferedReader « File Input Output « Java

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