方法 java.io。可用于删除具有所需抽象路径名的目录。此方法不需要参数,成功删除目录时返回 true,否则返回 false。File.delete()
演示这一点的程序如下 -
import java.io.File; public class Demo { public static void main(String[] args) { boolean flag; String directory = "D:\\a"; File file = new File(directory); flag = file.mkdir(); System.out.println("The directory is created? " + flag); flag = file.delete(); System.out.println("The directory is deleted? " + flag); } }
上述程序的输出如下 -
输出结果
The directory is created? true The directory is deleted? true
现在让我们了解上面的程序。
使用 java.io 方法创建并删除该目录。. 然后打印此方法返回的布尔值。演示这一点的代码片段如下 -File.delete()
boolean flag; String directory = "D:\\a"; File file = new File(directory); flag = file.mkdir(); System.out.println("The directory is created? " + flag); flag = file.delete(); System.out.println("The directory is deleted? " + flag);