import java.io.*;
import java.util.*;
import util.*;

public class dumpclass {
    public static void main(String args[]) {
	try {
	FileInputStream fi = new FileInputStream(args[0]);
	ClassFile cf = new ClassFile();
	
	// cf.debug = true;
	// cf.dumpConstants = true;

	if (! cf.read(fi)) {
	    System.out.println("Unable to read class file.");
	    System.exit(1);
	}
	cf.display(System.out);
	} catch (Exception e) { e.printStackTrace(); }
    }
}