Method toComparable

vm/JavaAPI/src/java/util/TreeMap.java:5391–5397

(T obj)

    }

    @SuppressWarnings("unchecked")
    private static <T> java.lang.Comparable<T> toComparable(T obj) {
        if (obj == null) {
            throw new NullPointerException();
        }
        return (java.lang.Comparable<T>) obj;
    }

    int keyCompare(K left, K right) {
        return (null != comparator()) ? comparator().compare(left, right)