binding.java

// file Base.java
public class Base {
	final void print() { System.out.println("base"); };
}

// file Derived.java
public class Derived extends Base {
	@Override
	void print() {
		System.out.println("derived");
	}

	public static void main(String[] args) {
		Print.printBase(new Derived());
	}
}

// file Print.java
public class Print {
	static void printBase(Base b) {
		b.print();
	}
}