MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.IOException;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;

public class MainClass {

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

        JarFile jf = new JarFile(args[0]);
        Enumeration e = jf.entries();
        while (e.hasMoreElements()) {
            JarEntry je = (JarEntry) e.nextElement();
            String name = je.getName();

            long crc = je.getCrc();
            System.out.println("Its CRC is " + crc);
            String comment = je.getComment();
            if (comment != null && !comment.equals("")) {
                System.out.println(comment);
            }
            if (je.isDirectory()) {
                System.out.println(name + " is a directory");
            }

        }
    }
}