How to check whether file is readable or file has read permission in java?

Below java code shows how to check whether file is readable or file has read permission –

/****************************************************************************************
 * Created on 08-2011 Copyright(c) http://kodehelp.com All Rights Reserved.
 ****************************************************************************************/
package com.kodehelp.javaio;

import java.io.File;

/**
 * Created by http://kodehelp.com
 * Date: 8/27/11
 */
public class CanReadFile {
    public static void main(String args[]){
        File file = new File("/demo.txt");
        System.out.println(file.canRead() ? "is readable" : "is not readable");
    }
}

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