Method subMap

Ports/CLDC11/src/java/util/TreeMap.java:882–913

(K startKey, K endKey)

        }

        public SortedMap<K, V> subMap(K startKey, K endKey) {
            checkRange(startKey);
            Comparator<? super K> cmp = backingMap.comparator;
            if (cmp == null) {
                java.lang.Comparable<K> object = toComparable(endKey);
                if (hasStart && object.compareTo(startKey) < 0) {
                    throw new IllegalArgumentException();
                }
                if (hasEnd && object.compareTo(endKey) > 0) {
                    throw new IllegalArgumentException();
                }
            } else {
                if (hasStart
                        && backingMap.comparator().compare(endKey, this.startKey) < 0) {
                    throw new IllegalArgumentException();
                }
                if (hasEnd && backingMap.comparator().compare(endKey,this.endKey) > 0) {
                    throw new IllegalArgumentException();
                }
            }
            Comparator<? super K> c = backingMap.comparator();
            if (c == null) {
                if (toComparable(startKey).compareTo(endKey) <= 0) {
                    return new SubMap<K, V>(startKey, backingMap, endKey);
                }
            } else {
                if (c.compare(startKey, endKey) <= 0) {
                    return new SubMap<K, V>(startKey, backingMap, endKey);
                }
            }
            throw new IllegalArgumentException();
        }

        public SortedMap<K, V> tailMap(K startKey) {
            checkRange(startKey);