Java Exercises: Get file size in bytes, kb, mb
Java Input-Output: Exercise-9 with Solution
Write a Java program to get file size in bytes, kb, mb.
Sample Solution:
Java Code:
import java.io.File;
public class Exercise9 {
public static void main(String[] args)
{
File file = new File("/home/students/test.txt");
if(file.exists())
{
System.out.println(filesize_in_Bytes(file));
System.out.println(filesize_in_kiloBytes(file));
System.out.println(filesize_in_megaBytes(file));
}
else
System.out.println("File doesn't exist");
}
private static String filesize_in_megaBytes(File file) {
return (double) file.length()/(1024*1024)+" mb";
}
private static String filesize_in_kiloBytes(File file) {
return (double) file.length()/1024+" kb";
}
private static String filesize_in_Bytes(File file) {
return file.length()+" bytes";
}
}
Sample Output:
151 bytes 0.1474609375 kb 1.4400482177734375E-4 mb
Flowchart:
Java Code Editor:
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