如何在 Java 中获取文件的父目录
问题描述
如何获取文件的父目录?
解决方案
以下示例显示如何使用 File 类的 file.getParent() 方法获取文件的父目录。
import java.io.File;
public class Main {
public static void main(String[] args) {
File file = new File("C:/File/demo.txt");
String strParentDirectory = file.getParent();
System.out.println("Parent directory is : " + strParentDirectory);
}
}
结果
上述代码示例将产生以下结果。
Parent directory is : File
以下是获取文件父目录的另一个示例
import java.io.File;
import java.util.Scanner;
public class CheckParentDirectory {
public static void main(String args[]) {
Scanner scanner = new Scanner(System.in);
System.out.println("Enter the file path");
String filePath = scanner.next();
File fileToTest = new File(filePath);
if (!fileToTest.isDirectory()) {
System.out.println("This is File");
System.out.println("Parent Folder of this file is :" + fileToTest.getParent());
} else {
System.out.println("This is Directory");
System.out.println(
"Parent Folder of this directory is :" + fileToTest.getParent());
}
}
}
上述代码示例将产生以下结果。
Enter the file path C:\Apache24\htdocs\javaexamples\dir_modification.htm This is File Parent Folder of this file is :C:\Apache24\htdocs\javaexamples
java_directories.html