gistfile1.txt

// Hello.groovy
package g7.tests.classgen

class Hello{

	static void main(args) {
		println "hello"
	}

}

-- Run
$ java -cp ".;./target/classes" -Xint -XX:+EnableInvokeDynamic g7.tests.classgen.Hello
hello

-- Disassembled

$ javap -classpath . -c g7.tests.classgen.Hello
Compiled from "Hello.groovy"
public class g7.tests.classgen.Hello extends java.lang.Object {
static {};
  Code:
   0:   ldc     #9; //String g7.tests.classgen.Hello
   2:   invokestatic    #15; //Method java/lang/Class.forName:(Ljava/lang/String;)Ljava/lang/Class;
   5:   invokestatic    #21; //Method com/chanwit/g7/runtime/G7Bootstrap.registerBootstrap:(Ljava/lang/Class;)V
   8:   return

public static void main(java.lang.String[]);
  Code:
   0:   aconst_null
   1:   ldc     #25; //String hello
   3:   invokedynamic   #28,  0; //NameAndType println:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
   8:   pop
   9:   return

}