title: How to delete a line from text file in Java
body: <p>I am creating one application in Java swing api. I am using txt file as my database to store,update etc. I completed storing procedure successfully. But I cant update .If I click update button on my application the data in file could not be replaced. can you please tel me how to replace a data in file?</p>
  
  <p>Thanks in advance...</p>
  
  <pre><code>import java.io.*;
  
  public class test {
  
      public static void main(String args[]) {
          try {
              String data = null;
              File file = new File("student.txt", true);
              FileReader fr = new FileReader(file);
              BufferedReader br = new BufferedReader(fr);
              while ((data = br.readLine()) != null) {
                  String[] de = data.split(" ");
                  if (de[0].equals("vimal")) {
                      data.trim();
                  }
              }
          } catch (IOException e) {
              e.printStackTrace();
          }
      }
  }
  </code></pre>