Method put

vm/JavaAPI/src/java/util/TreeMap.java:4408–4411

Maps the specified key to the specified value. @param key the key. @param value the value. @return the value of any previous mapping with the specified key or null if there was no mapping. @throws ClassCastException if the specified key cannot be co

(K key, V value)

     *             cannot handle {@code null} keys.
     */
    @Override
    public V put(K key, V value) {
        return putImpl(key, value);
    }
    
    private V putImpl(K key, V value) {
        if (root == null) {