Need help in reading file, got stuck

Question

The code below works sometimes sometimes gives a message problem finding/reading file
public void readData()
try
DataInputStream dataIn = new DataInputStream(new FileInputStream("c://suneetha//data.txt"));
for(i=0;i<3;i++)
for(j=0;j<3;j++)
goal[j] = (dataIn.readInt());
dataIn.close();
catch (IOException e){ System.out.println("problem finding/reading file");}
catch (NumberFormatException nfe) { System.out.println("problem with format"); }
public void writeData()
int i=0,j=0;
InputStreamReader is = new InputStreamReader( System.in );
// Wrap input with a BufferReader to get
// the readln() method to read a whole line at once.
BufferedReader br = new BufferedReader( is );
try {
DataOutputStream dataOut = new DataOutputStream(new FileOutputStream("c://suneetha//data.txt"));
System.out.println("enter the array:");
String s = br.readLine(); // Read the whole line
st = new StringTokenizer(s);
// With tokenizer nextToken() method we can ignore
// any beginning and trailing white space.
for(j=0;j<9;j++)
i=Integer.parseInt(st.nextToken());//Convert string to int
System.out.println( "got: " + i );
j=i;
dataOut.writeInt(j);
catch (IOException ioe) {
System.out.println( "IO error:" + ioe );
not knowing what the problem is!!!
some times it accepts data from file(for reading) some times it wont.
I don't thing there is any problem with writing to the file
Any help is greatly appreciated
Thanks
Suneetha.

Answer 1

Are you not posting this for third time ( and with same problems.)
Anyways.....
for(i=0;i<3;i++)
for(j=0;j<3;j++)
goal[j] = (dataIn.readInt()); // ????You want them in a 2 d array ?then make goal
int [][] goal = new int[3][3];
And
// use
if( dataIn.available() > 0 ){
goal[ i ][j] = dataIn.readInt();
else{
  // Your "custom" messages
}