import java.lang.reflect.*;
public class ReflektionsOpgave {
	public static void callAllMethods(Object obj){
		try{
			Class c = obj.getClass();
			Method[] methods = c.getDeclaredMethods();
			for (int i = 0; i<methods.length; i++)
				if (!Modifier.isStatic( methods[i].getModifiers() ) &&
				     Modifier.isPublic( methods[i].getModifiers() ))
					if (methods[i].getParameterTypes().length == 0 ){
						System.out.println("Invoking " + methods[i]);
						methods[i].invoke( obj, null );
					}
		}catch(Exception e){
			e.printStackTrace();
		}
	}

	public static void main(String[] args){
		callAllMethods( new Test() );
	}
}

class Test{
}