PrintWriter类

向文件写入内容

static String path = File.separator + "E:" + File.separator + "cxd" +
            File.separator + "work" + File.separator + "a.txt";

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		//创建文件对象
        File file = new File(path);
         
        PrintWriter p = null;
        try {
			//p=new PrintWriter(file);
			p = new PrintWriter(new FileWriter(file,true));//利用FileWriter构建PrintWriter对象，实现追加
			//
            p.println("1334");
            
          //刷新流
            p.flush();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}finally{
			p.close();
		}
	}