Java BufferedReader Class

Java BufferedReader class is used to read the text from a character-based input stream. It can be used to read data line by line by readLine() method. It makes the performance fast. It inherits Reader class.

Java BufferedReader class declaration

Let's see the declaration for Java.io.BufferedReader class:

Java BufferedReader class constructors

Java BufferedReader class methods

Java BufferedReader Example

In this example, we are reading the data from the text file testout.txt using Java BufferedReader class.

Here, we are assuming that you have following data in "testout.txt" file:

Welcome to javaTpoint.

Output:

Welcome to javaTpoint.

Reading data from console by InputStreamReader and BufferedReader

In this example, we are connecting the BufferedReader stream with the InputStreamReader stream for reading the line by line data from the keyboard.

Output:

Enter your name
Nakul Jain
Welcome Nakul Jain

Another example of reading data from console until user writes stop

In this example, we are reading and printing the data until the user prints stop.

Output:

Enter data: Nakul
data is: Nakul
Enter data: 12
data is: 12
Enter data: stop
data is: stop