FileSizeExample.java

/*
 * Created on 13-3-29
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 * 
 * Copyright @2013 the original author or authors.
 */
package ch18io.file;

/**
 * Description of this file.
 *
 * @author XiongNeng
 * @version 1.0
 * @since 13-3-29
 */

import java.io.File;

public class FileSizeExample {
    public static void main(String[] args) {
        File file = new File("c:\\java_xml_logo.jpg");

        if (file.exists()) {

            double bytes = file.length();
            double kilobytes = (bytes / 1024);
            double megabytes = (kilobytes / 1024);
            double gigabytes = (megabytes / 1024);
            double terabytes = (gigabytes / 1024);
            double petabytes = (terabytes / 1024);
            double exabytes = (petabytes / 1024);
            double zettabytes = (exabytes / 1024);
            double yottabytes = (zettabytes / 1024);

            System.out.println("bytes : " + bytes);
            System.out.println("kilobytes : " + kilobytes);
            System.out.println("megabytes : " + megabytes);
            System.out.println("gigabytes : " + gigabytes);
            System.out.println("terabytes : " + terabytes);
            System.out.println("petabytes : " + petabytes);
            System.out.println("exabytes : " + exabytes);
            System.out.println("zettabytes : " + zettabytes);
            System.out.println("yottabytes : " + yottabytes);
        } else {
            System.out.println("File does not exists!");
        }

    }
}