simpleoutputtest.java

Java程序设计技巧与开发实例附书源代码。

import java.io.*;

public class SimpleOutputTest
{
  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
    {
      FileOutputStream fs_out = new FileOutputStream("sample.dat");
      DataOutputStream out = new DataOutputStream(fs_out);
      out.writeDouble(Pi);
      out.writeInt(i);
      out.writeBoolean(okay);
      out.writeChar(cc);
      out.writeUTF(s);
      out.close();
    }
    catch (FileNotFoundException fe)
    {
      System.err.println(fe);
    }
    catch (IOException ioe)
    {
      System.out.println(ioe);
    }
  }
}