import java.io.*;

public class PrintStreamVsPrintWriter {
  public static void main(String []args) {
    try(PrintStream st = new PrintStream(new File("file1.txt"));
        PrintWriter wr = new PrintWriter(new File("file2.txt"))
       ) {
       st.print("Πως είσαι;");
       st.print(1.2345);
       wr.print("Πως είσαι;");
       wr.print(1.2345);
    }
    catch(IOException ex) {
    }
  }
}