What is a File class?

A File class is used to access the file and directory objects. This class provides numerous access methods for performing all common file and directory operations. These methods enable files and directories to be created, deleted, renamed, and listed. However, the File class does not provide any method to change the current directory. The File class is useful only for querying and modifying the attributes of a file. It does not have any method for reading from and writing to a file. The File class has the following four constructors:

• File(File parent, String child)
  This constructor will create a new File instance from a parent abstract pathname and a child pathname.
• File(String Path)
  This constructor will create a new File instance by converting the given pathname into an abstract pathname.
• File(String parent, String child)
  This constructor will create a new File instance from a parent pathname and a child pathname.
• File(URI uriobj)
  This constructor will create a new File instance by using the uriobj, which is a URI object that describes a file.

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