IO流1 --- File类的实例化 --- 技术搬运工(尚硅谷)
- 构造器1 File(String pathname)
//相对路径 File file1 = new File("hello.txt"); //windows绝对路径 File file2 = new File("C:\\Users\\Mi\\Documents\\project\\idea\\JavaBase\\hello.txt"); //路径分隔符 String separator = File.separator;
- 构造器2 File(String parent, String child)
File file3 = new File("C:\\Users\\Mi\\Documents\\project\\idea","JavaBase");
- 构造器3 File(File parent, String child)
File file3 = new File("C:\\Users\\Mi\\Documents\\project\\idea","JavaBase"); File file4 = new File(file3,"hello.txt");