How to use

ensureCapacity

method

in

java.util.HashMap

/**
 * Copies all the mappings in the specified map to this map. These mappings
 * will replace all mappings that this map had for any of the keys currently
 * in the given map.
 *
 * @param map
 *            the map to copy mappings from.
 */
@Override public void putAll(Map<? extends K, ? extends V> map) {
  ensureCapacity(map.size());
  super.putAll(map);
}

/**
 * Copies all the mappings in the specified map to this map. These mappings
 * will replace all mappings that this map had for any of the keys currently
 * in the given map.
 *
 * @param map
 *            the map to copy mappings from.
 */
@Override public void putAll(Map<? extends K, ? extends V> map) {
  ensureCapacity(map.size());
  super.putAll(map);
}

/**
 * Copies all the mappings in the specified map to this map. These mappings
 * will replace all mappings that this map had for any of the keys currently
 * in the given map.
 *
 * @param map
 *            the map to copy mappings from.
 */
@Override public void putAll(Map<? extends K, ? extends V> map) {
  ensureCapacity(map.size());
  super.putAll(map);
}

/**
 * Copies all the mappings in the specified map to this map. These mappings
 * will replace all mappings that this map had for any of the keys currently
 * in the given map.
 *
 * @param map
 *            the map to copy mappings from.
 */
@Override public void putAll(Map<? extends K, ? extends V> map) {
  ensureCapacity(map.size());
  super.putAll(map);
}

/**
 * Copies all the mappings in the specified map to this map. These mappings
 * will replace all mappings that this map had for any of the keys currently
 * in the given map.
 *
 * @param map
 *            the map to copy mappings from.
 */
@Override public void putAll(Map<? extends K, ? extends V> map) {
  ensureCapacity(map.size());
  super.putAll(map);
}

/**
 * Copies all the mappings in the specified map to this map. These mappings
 * will replace all mappings that this map had for any of the keys currently
 * in the given map.
 *
 * @param map
 *            the map to copy mappings from.
 */
@Override public void putAll(Map<? extends K, ? extends V> map) {
  ensureCapacity(map.size());
  super.putAll(map);
}

/**
 * Copies all the mappings in the specified map to this map. These mappings
 * will replace all mappings that this map had for any of the keys currently
 * in the given map.
 *
 * @param map
 *            the map to copy mappings from.
 */
@Override public void putAll(Map<? extends K, ? extends V> map) {
  ensureCapacity(map.size());
  super.putAll(map);
}

/**
 * Copies all the mappings in the specified map to this map. These mappings
 * will replace all mappings that this map had for any of the keys currently
 * in the given map.
 *
 * @param map
 *            the map to copy mappings from.
 */
@Override public void putAll(Map<? extends K, ? extends V> map) {
  ensureCapacity(map.size());
  super.putAll(map);
}