simplecharoutputtest.java

Java课堂练习

/**
 * @(#)SimpleCharOutputTest.java
 *
 *
 * @author 
 * @version 1.00 2007/11/17
 */
import java.io.*;

public class SimpleCharOutputTest {
        
    /**
     * Creates a new instance of <code>SimpleCharOutputTest</code>.
     */
    public SimpleCharOutputTest() {
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
      double pi=3.1415;
      int i=10;
      boolean  okay=true;
      char cc='J';
      String s="Java C Pascal";
      try {
       FileWriter fw=new FileWriter("student.txt");
       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.");
      }
    }
}