Question

How to check if a file is read-only in Java

Answer 1

package javaapplication1;

import java.io.File;
import java.io.IOException;

public class JavaApplication1 {

    public static void main(String[] args) throws IOException {

        try {

            File file = new File("d://data.txt");

            if (file.canWrite() == true) 
                System.out.println("not read only");
            else
                System.out.println("read only");

        } catch (Exception e) {
            System.out.print(e.toString());
        }
    }
}

/*
          
run:
    
not read only
 
 */

 

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