Method contains

classpath/java/util/AbstractCollection.java:36–52

(Object element)

  }

  public boolean contains(Object element) {
    if (element != null) {
      for (Iterator<T> iter = iterator(); iter.hasNext();) {
        if (element.equals(iter.next())) {
          return true;
        }
      }
    } else {
      for (Iterator<T> iter = iterator(); iter.hasNext();) {
        if (iter.next()==null) {
          return true;
        }
      }
                        
    }
    return false;
  }

  public boolean containsAll(Collection<?> c) {
    if (c == null) {