simplecharoutputtest.java

Java程序设计技巧与开发实例附书源代码。

import java.io.*;

public class SimpleCharOutputTest
{
  public static void main(String args[])
  {
    double Pi = 3.1415;
    int i = 10;
    boolean okay = true;
    char cc = 'J';
    String s = "Java C Pascal";
    try
    {
      FileWriter fw = new FileWriter("sample-char.dat");
      PrintWriter out = new PrintWriter(new BufferedWriter(fw));
      out.println(Pi);
      out.println(i);
      out.println(okay);
      out.println(cc);
      out.println(s);
      out.close();
      if (out.checkError())
      {
        System.out.println("An error has occured during output.");
      }
    }
    catch (IOException ioe)
    {
      System.out.println("Error while opening the file.");
    }
  }
}