Java Beginners Java Write To File

Can anybody tell me how to append in an existing excel sheet using java. I am able to write in excel but not able to append it.

Posted by Mansiha on Friday, 04.10.09 @ 10:27am | #86697

How do write a newline to file

Posted by Robert on Sunday, 12.14.08 @ 01:10am | #82731

This is not good code. You should never write a "catch (Exception e)" block because it is dangerous. It allows exceptions you did not expect to be caught and ignored. This damages the safety of your system.

Also, you are ignoring the exception once it's caught. It would be much better if you declared your method to throw IOException and got rid of the try/catch.

Posted by Bob on Tuesday, 09.30.08 @ 20:05pm | #80805

can you help how to open the result text file once the script is done ....

Posted by HariKishore on Tuesday, 10.2.07 @ 05:14am | #30897

Can u provide Complete detail course and with examples so we can understand easyly..
thank u

Posted by santosh on Wednesday, 04.4.07 @ 14:17pm | #13322

hi can someome please help me???

i want to read out a com port (gps)
and write the data it recieves to a .txt file
can any please help me?????

Posted by dap on Wednesday, 03.21.07 @ 14:28pm | #12346

i modified it so it accepts some text from the keyboard



package task1_11;
import java.io.*;
public class Task1_11 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
try{
BufferedReader bf = new BufferedReader(
new InputStreamReader(System.in));
System.out.println("Save to a file(write some text) : ");
String readin=bf.readLine();

// Create file
FileWriter fstream = new FileWriter("out.txt");
BufferedWriter out = new BufferedWriter(fstream);
out.write(readin);
//Close the output stream
out.close();
}catch (Exception e){//Catch exception if any
System.err.println("Error: " + e.getMessage());
}

}

}

Posted by kasia on Thursday, 03.8.07 @ 19:12pm | #11169

This is helped me a lot.
But try to modify this to accept data from keyboard and write that data to a new file, that is a dynamic program

Posted by Venkatesh on Wednesday, 02.28.07 @ 14:15pm | #9943