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BufferedReader(Reader r) |
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This constructor creates a BufferedReader object to read characters out of a file, which is accessed by a Reader, passed to this constructor as a parameter. Example-:
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Methods | Description |
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available() | This method gives the remaining number of bytes available to read from this input character stream's buffer. |
read() | This method reads one character at a time from this input character stream's buffer. |
read(char[]) | This method reads a whole character array at a time from this input character stream's buffer. |
close() | This method closes this input stream and also frees any resources connected with this input stream. |
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//A program to create a BufferedReader Stream for reading characters from a local buffer.
import java.io.*;
class A
{
public static void main(String... ar)
{
try
{
File file= new File("TextBook9.txt");
FileReader fr= new FileReader(file);
BufferedReader br = new BufferedReader(fr); //This will transfer chunk of characters
//from file to buffer of BufferedReader
int c;
//Reading one character a time from buffer
while( (c=br.read())!=-1)
{
System.out.print((char)c);
}
br.close();
}
catch(IOException e)
{
System.out.println(e);
}
}
}
Hello from Java!
Next topic is BufferedWriter class
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