- 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");