BooDecisions.java

import java.util.BitSet;
import java.util.HashMap;

public class BooDecisions {
    public static void main(String[] args) {

        System.out.println(getType(true, false, false));
        System.out.println(getType(false, true, false));
        System.out.println(getType(false, true, true));

        BitSet x = bitSet(true, false, false);
        BitSet y = bitSet(false, true, false);
        BitSet z = bitSet(false, true, true);

        HashMap<BitSet, Type> decisions = new HashMap<>();
        decisions.put(x, Type.X);
        decisions.put(y, Type.Y);
        decisions.put(z, Type.Z);

        System.out.println(decisions.get(x));
        System.out.println(decisions.get(y));
        System.out.println(decisions.get(z));
    }

    enum Type {
        X, Y, Z
    }

    private static Type getType(boolean condition1, boolean condition2, boolean condition3) {

        if (condition1) {
            return Type.X;
        } else {
            if (condition2) {
                return Type.Z;
            } else if (condition3) {
                return Type.Y;
            }
        }

        return null;
    }

    static BitSet bitSet(boolean... booleans) {
        BitSet bitSet = new BitSet(booleans.length);

        for (int i = 0; i < booleans.length; i++) {
            bitSet.set(i, booleans[i]);
        }

        return bitSet;
    }
}