Using FileWriter and FileReader : Reader « File « SCJP

1. SCJP
2. File
3. Reader

import java.io.*;

public class MainClass {
  public static void main(String [] args) {
    char[] in = new char[50];           
    int size = 0;
    try {
      File file = new File("fileWrite2.txt");
      FileWriter fw = new FileWriter(file);  
      fw.write("howdy\nfolks\n");       
                                        
      fw.flush();                       
      fw.close();                       
      FileReader fr = new FileReader(file);  
                                        
      size = fr.read(in);               
      System.out.print(size + " ");     
      for(char c : in)                  
        System.out.print(c);
      fr.close();                       
    } catch(IOException e) { }
  }
}