Java File deleteOnExit()方法

java.io.File.deleteOnExit() 方法删除由抽象路径名所定义的虚拟机终止时的文件或目录。文件或目录中，因为它们将按登记相反的顺序删除。

1 语法

public void deleteOnExit()

2 参数

无

3 返回值

无

4 示例

package com.yiidian;

/**

* 一点教程网： http://www.yiidian.com

*/

/**

* java.io.File.deleteOnExit()方法的例子

*/

import java.io.File;

public class Demo {

public static void main(String[] args) {

File f = null;

try {

// creates temporary file

f = File.createTempFile("tmp", ".txt");

// prints absolute path

System.out.println("File path: "+f.getAbsolutePath());

// deletes file when the virtual machine terminate

f.deleteOnExit();

// creates temporary file

f = File.createTempFile("tmp", null);

// prints absolute path

System.out.print("File path: "+f.getAbsolutePath());

// deletes file when the virtual machine terminate

f.deleteOnExit();

} catch(Exception e) {

// if any error occurs

e.printStackTrace();

}

}

}

输出结果为：

File path: C:\Users\lenovo\AppData\Local\Temp\tmp4375723762116872703.txt

File path: C:\Users\lenovo\AppData\Local\Temp\tmp2157298973091394685.tmp