package jvm;

import java.util.Base64;

public class HelloClassLoader extends ClassLoader {

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

new HelloClassLoader().findClass("jvm.Hello").newInstance();

}

@Override

protected Class<?> findClass(String name) throws ClassNotFoundException {

String helloBase64 = "yv66vgAAADQAHAoABgAOCQAPABAIABEKABIAEwcAFAcAFQEABjxpbml0PgEAAygpVgEABENvZGUBAA9MaW5lTnVtYmVyVGFibGUBAAg8Y2xpbml0PgEAClNvdXJjZUZpbGUBAApIZWxsby5qYXZhDAAHAAgHABYMABcAGAEAGEhlbGxvIENsYXNzIEluaXRpYWxpemVkIQcAGQwAGgAbAQAJanZtL0hlbGxvAQAQamF2YS9sYW5nL09iamVjdAEAEGphdmEvbGFuZy9TeXN0ZW0BAANvdXQBABVMamF2YS9pby9QcmludFN0cmVhbTsBABNqYXZhL2lvL1ByaW50U3RyZWFtAQAHcHJpbnRsbgEAFShMamF2YS9sYW5nL1N0cmluZzspVgAhAAUABgAAAAAAAgABAAcACAABAAkAAAAdAAEAAQAAAAUqtwABsQAAAAEACgAAAAYAAQAAAAMACAALAAgAAQAJAAAAJQACAAAAAAAJsgACEgO2AASxAAAAAQAKAAAACgACAAAABQAIAAYAAQAMAAAAAgAN";

byte[] bytes = decode(helloBase64);

return defineClass(name,bytes,0,bytes.length);

}

public byte[] decode(String base64) {

return Base64.getDecoder().decode(base64);

}

}