Java.io.PrintWriter.println Object() 方法

package com.codingdict;



import java.io.*;

import java.util.Date;



public class PrintWriterDemo {



   public static void main(String[] args) {

      Object obj1 = "Object";

      Object obj2 = 2;

      Date date = new Date(112, 2, 21);



      try {



         // create a new writer

         PrintWriter pw = new PrintWriter(System.out);



         // print object

         pw.println(obj1);



         // print another object

         pw.println(obj2);



         // print a date (it is an object)

         pw.print(date);



         // flush the writer

         pw.flush();



      } catch (Exception ex) {

         ex.printStackTrace();

      }

   }

}