Java.io.File.canRead() Method

Advertisements


Description

The java.io.File.canRead() method returns true if the file can be read denoted by its abstract name.

Declaration

Following is the declaration for java.io.File.canRead() method:

public boolean canRead()

Parameters

  • NA

Return Value

This method returns boolean value. True, if the specified file exists its path name and the file is allowed to be read by the application.

Exception

  • SecurityException -- If the SecurityManager.checkRead(java.lang.String) method denies read access by the application.

Example

The following example shows the usage of java.io.File.canRead() method.

package com.tutorialspoint;

import java.io.File;

public class FileDemo {
   public static void main(String[] args) {
      
      File f = null;
      
      try{
         // create new file
         f = new File("c:/test.txt");
         
         // returns true if the file can be read
         boolean bool = f.canRead();
         
         // print
         System.out.print("File can be read: "+bool);
         
      }catch(Exception e){
         // if any I/O error occurs
         e.printStackTrace();
      }
   }
}

Let us compile and run the above program, this will produce the following result:

File can be read: true



Advertisements
Advertisements