IO流(3)刪除文件或文件夾
刪除功能:public boolean delete()
*
* 註意:
* A:如果你創建文件或者文件夾忘了寫盤符路徑,那麽,默認在項目路徑下。
* B:Java中的刪除不走回收站。
* C:要刪除一個文件夾,請註意該文件夾內不能包含文件或者文件夾
*/
public class FileDemo {
public static void main(String[] args) throws IOException {
// 創建文件
// File file = new File("e:\\a.txt");
// System.out.println("createNewFile:" + file.createNewFile());
// 我不小心寫成這個樣子了
File file = new File("a.txt");
System.out.println("createNewFile:" + file.createNewFile());
// 繼續玩幾個
File file2 = new File("aaa\\bbb\\ccc");
System.out.println("mkdirs:" + file2.mkdirs());
// 刪除功能:我要刪除a.txt這個文件
File file3 = new File("a.txt");
System.out.println("delete:" + file3.delete());
// 刪除功能:我要刪除ccc這個文件夾
File file4 = new File("aaa\\bbb\\ccc");
System.out.println("delete:" + file4.delete());
// 刪除功能:我要刪除aaa文件夾
// File file5 = new File("aaa");
// System.out.println("delete:" + file5.delete());
File file6 = new File("aaa\\bbb");
File file7 = new File("aaa");
System.out.println("delete:" + file6.delete());
System.out.println("delete:" + file7.delete());
}
}
IO流(3)刪除文件或文件夾