Method safeContainsKey

output/java_guava/1.4.17/Maps.java:3540–3549

Delegates to Map#containsKey. Returns false on ClassCastException and NullPointerException.

(Map<?, ?> map, Object key)

  static boolean safeContainsKey(Map<?, ?> map, Object key) {
    checkNotNull(map);
    try {
      return map.containsKey(key);
    } catch (ClassCastException e) {
      return false;
    } catch (NullPointerException e) {
      return false;
    }
  }

  /**
   * Delegates to {@link Map#remove}. Returns {@code null} on {@code