import java.io.*;

public class CopyPrintWrite {
    public static void main(String[] args) throws IOException {
	
	// creo un oggetto FileWriter...
	FileWriter fileout = new FileWriter("copyprintwrite.txt");
	// ... che incapsulo in un BufferedWriter...
	BufferedWriter filebuf = new BufferedWriter(fileout);
	// ... che incapsulo in un PrintWriter
	PrintWriter printout = new PrintWriter(filebuf);
	
	printout.println("Scrivo nel file copyprintwrite.txt:");

	printout.print("Un numero: ");
	printout.println(Math.PI);

	printout.print("Un oggetto: ");
	printout.println(new java.awt.Rectangle(10,15,20,30));

	printout.println("Ho finito.");
	printout.close();
    }
}