The method of accessing files by using the files tool class and path interface of Java 7

In the Java version of date, files are accessed through the file class, but the operation of the file class is limited, it can not take advantage of the characteristics of a specific file system, and the performance is not high. In case of access error, many of them directly return false without giving exception information. Therefore, Java 7 adds two tool classes, files and paths, to operate files. The files class contains a large number of static methods to manipulate files. Java 7 also introduces a path interface, which represents a platform independent path. Its usage will be described in detail below.

Paths provides two methods to obtain the path object,

1、get(URL url)

2. Get (string first, string... More), which is a method to splice multiple strings into a path

Here is the test code

Run the above program, and you will see the following results

The following is the modified time attribute of the modified file

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