In this example, we determine the file size with Apache Commons' FileUtils. Its method for finding out the file size is sizeOf().
For this example, we need the commons-io dependency:
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.6</version>
</dependency>
Java file size with FileUtils.sizeOf()
The code example determines the file size using Apache Commons' FileUtils' sizeOf() method.
import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FileUtils;
public class JavaFileSizeExample {
public static void main(String[] args) throws IOException {
String fileName = "src/main/resources/words.txt";
File f = new File(fileName);
long fileSize = FileUtils.sizeOf(f);
System.out.format("The size of the file: %d bytes", fileSize);
}
}
Output:
The size of the file: 200 bytes
Apache Commons IO
Java
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