Java示例写入文件

import java.io.*;



public class Main {

   public static void main(String[] args) {

      try {

         BufferedWriter out = new BufferedWriter(new FileWriter("outfilename"));

         out.write("aString");

         out.close();

         System.out.println("File created successfully");

      }

      catch (IOException e) {

      }

   }

}