Java.io.PrintWriter.flush() 方法

package com.codingdict;



import java.io.*;



public class PrintWriterDemo {



   public static void main(String[] args) {

      String s = "Hello World";



      try {



         // create a new stream at specified file

         PrintWriter pw = new PrintWriter(System.out);



         // write the string in the file

         pw.write(s);



         // flush the writer

         pw.flush();



      } catch (Exception ex) {

         ex.printStackTrace();

      }

   }

}