package no.playtrd.properties; import javax.measure.Measure; import javax.measure.quantity.Quantity; import javax.measure.unit.BaseUnit; public class Knowledge { public interface Level extends Quantity {} public interface Culture extends Level {} public interface Sports extends Level {} public interface Trends extends Level {} public static final BaseUnit<Level> KNOWLEDGE = new BaseUnit<Level>("K"); public Measure<Integer, Level> knowledgeLevel = Measure.valueOf(100, KNOWLEDGE); }