Read a text file : BufferedReader « File Input Output « Java

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Java » File Input Output » BufferedReaderScreenshots 
Read a text file
   

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;

public class Main {
  public static void main(String[] argsthrows Exception {
    File file = new File("test.txt");
    StringBuffer contents = new StringBuffer();
    BufferedReader reader = null;

    reader = new BufferedReader(new FileReader(file));
    String text = null;

    // repeat until all lines is read
    while ((text = reader.readLine()) != null) {
      contents.append(text).append(System.getProperty("line.separator"));
    }
    reader.close();
    System.out.println(contents.toString());
  }
}

   
    
    
  
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15.Read from a file using a BufferedReader
16.Read each line in a comma separated file into an array
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21.ReadLines: read file to list of strings
22.The AsciiReader can read ascii data files
23.Count the number of lines in the buffer
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