Method putAll

vm/JavaAPI/src/java/util/AbstractMap.java:537–543

Copies every mapping in the specified map to this map. @param map the map to copy mappings from. @throws UnsupportedOperationException if adding to this map is not supported. @throws ClassCastException if the class of a key or value is inappropriate for this

(Map<? extends K, ? extends V> map)

     *                support {@code null} keys or values.
     */
    public void putAll(Map<? extends K, ? extends V> map) {
        Iterator it = map.entrySet().iterator();
        while (it.hasNext()) {
            Map.Entry<? extends K, ? extends V> entry = (Map.Entry<? extends K, ? extends V>)it.next();
            put(entry.getKey(), entry.getValue());
        }
    }

    /**
     * Removes a mapping with the specified key from this Map.