IO Writer & Read

package kao.chih.chien.test;
import java.io.FileWriter;
import java.io.IOException;
public class WriterTest {
 static String WRITER_TEST_PATH = "C:\\Test.txt";

 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
 
   try {
    FileWriter fw = new FileWriter(WRITER_TEST_PATH,true);
    fw.write("\tHello");
    fw.close();
   } catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
  
 }
}




package kao.chih.chien.test;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
public class ReadTest {
 static String READ_TEST_PATH = "C:\\Test.txt";
 static char data[] = new char[1024];
 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
  try {
   FileReader fr = new FileReader(READ_TEST_PATH);
   int num = fr.read(data);
   String s = new String(data, 0, num);
   System.out.println(s);
  } catch (FileNotFoundException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
}