import java.io.*;
import javassist.util.HotSwapper;
public class Test {
public static void main(String[] args) throws Exception {
HotSwapper hs = new HotSwapper(8000);
new HelloWorld().print();
File newfile = new File("logging/HelloWorld.class");
byte[] bytes = new byte[(int)newfile.length()];
new FileInputStream(newfile).read(bytes);
System.out.println("** reload a logging version");
hs.reload("HelloWorld", bytes);
new HelloWorld().print();
newfile = new File("HelloWorld.class");
bytes = new byte[(int)newfile.length()];
new FileInputStream(newfile).read(bytes);
System.out.println("** reload the original version");
hs.reload("HelloWorld", bytes);
new HelloWorld().print();
}