IO流高级流-打印流

1，只能用于输出或write、OutputStream

 字节流

 PrintStream ps = new PrintStream(new FileOutputStream("..\\IOstream\\print"));

        ps.print("宝，我好爱你啊");
        ps.println("我也是");
        ps.printf("%s 爱上的 %s","陈","陈");//打印带占位符

        ps.close();

字节流