Method getAndIncrement

output/java_guava/1.4.17/AtomicLongMap.java:150–153

Increments by one the value currently associated with key, and returns the old value.

(K key)

   */

  @CanIgnoreReturnValue
  public long getAndIncrement(K key) {
    return getAndAdd(key, 1);
  }

  /**
   * Decrements by one the value currently associated with {@code key}, and returns the old value.