Java - No logro compilar !!!

public class TuClase {

	public static void main (String args[]) {

		int valor_devuelto = tuMetodo();

		System.out.println("el metodo retorna " + valor_devuelto);

	}

	public static int tuMetodo() {

		int u = 2;

		int b = "AQC".hashCode() % 3000;

		int t = "TMV".hashCode() % 3000;

		for (int o = 0; o <= t; o++)

			u = (u ^ o) % b;

		return u;

	}

}