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Check whether the file can be read in Java
The method java.io.File.canRead() is used to check whether the file can be read in Java. This method returns true if the file specified by the abstract path name can be read by an application and false otherwise.
A program that demonstrates this is given as follows −
Example
import java.io.File;
public class Demo {
public static void main(String[] args) {
try {
File file = new File("demo1.txt");
file.createNewFile();
System.out.println("The file can be read? " + file.canRead());
} catch(Exception e) {
e.printStackTrace();
}
}
}The output of the above program is as follows −
Output
The file can be read? true
Now let us understand the above program.
The method java.io.File.canRead() is used to check whether the file can be read and the boolean value that is returned by the method is printed. A code snippet that demonstrates this is given as follows −
try {
File file = new File("demo1.txt");
file.createNewFile();
System.out.println("The file can be read? " + file.canRead());
} catch(Exception e) {
e.printStackTrace();
}
Updated on: 30-Jul-2019
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