import java.io.File;
import java.io.IOException;

public class FileDemo {
public static void main(String[] args) {
File one=new File("E:\\FileInputStream\\imooc.txt");
System.out.println(one.isDirectory());
System.out.println(one.isFile());
File two=new File("E:\\FileInputStream\\ccc\\HashSet");
if(!two.exists()) {
two.mkdirs();
}
if(!one.exists()) {
try {
one.createNewFile();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println(two.getParent());
System.out.println(two.getName());
System.out.print("返回文件的绝对路径");
System.out.println(two.getAbsoluteFile());
System.out.print("返回父类的潜在相对路径");
System.out.println(two.getPath());
}

}