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What is the sense of buffer size in the constructor? BufferedReader(Reader in, int size) As i have written the program: import java.io.*; class bufferedReaderEx{ public static void main(String args[]){ InputStreamReader isr = null; BufferedReader br = null; try{ isr = new InputStreamReader(System.in); // System.out.println("Write data: "); // int i = isr.read(); // System.out.println("Data read is: " + i); //Thus the InputStreamReader is useful for reading the character from the stream System.out.println("Enter the data to be read by the bufferedReader: "); //here isr is containing the lnefeed already so this is needed to be flushed. br = new BufferedReader(isr, 2); String str = br.readLine(); System.out.println("The data is : :" + str); }catch(IOException e){ System.out.println("Can't read: " + e.getMessage()); } } } Output: Enter the data to be read by the bufferedReader: Hello world and hello world again The data is: Hello world and hello world again Then what does the buffer size means as i intended that it would be reading only two characters. but it was not that.

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