1.1File类概述和构造方法File类介绍 构造方法 File f = new File(String pathname); File f = new File(String parent, String child); File f = new File(File parent, String child);
1.2File类创建功能1.3File类判断、获取、删除功能public boolean isFile(); public boolean exists();
递归IO流1. FileOutputStream 字节输出流2. FileInputStream 字节输入流
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