java read file Character by Character

welcome java file handling tutorial .

in this tutorial we are going to learn how to read text file using  java here i have used FileReader to  read file Character by Character. use following steps to read text file using java  program
1. create one folder on d drive as f that is name of folder is f
2. create t1.txt file write some text on it
3. create java program use following code or follow steps from video save java program in same folder import java.io.* package properly in java program
4. compile program and run
5. to understand program read what is FileReader read program explanation given below.











save


RfileCh.java

// program by Prakash

import java.io.*;

class RfileCh
{
 public static void main(String s[])
 {
  try{
       FileReader r=new FileReader("t1.txt");
  // used to open a file
  int ch;
 
  while((ch=r.read())!=-1)
  // here -1 is end of file
  {
     System.out.print((char)ch);// type casting int to char
 
  }
 
  // thaks for watching
 
 
  }
  catch(Exception e){}

  }

}

File Reading and Writing in java

In this tutorial, we show you how to read character)   from files using classes available in the java.io package

Reader, InputStreamReader, FileReader and BufferedReader

Reader is the abstract class for reading character streams. It implements the following fundamental methods:

·         read(): reads a single character.

·         read(char[]): reads an array of characters.

·         skip(long): skips some characters.

·         close(): closes the stream.