Lines Matching refs:contains
124 * Returns <tt>true</tt> if this set contains no elements.
126 * @return <tt>true</tt> if this set contains no elements
133 * Returns <tt>true</tt> if this set contains the specified element.
135 * contains an element <tt>e</tt> such that
139 * @return <tt>true</tt> if this set contains the specified element
141 public boolean contains(Object o) {
142 return al.contains(o);
223 * if this set contains such an element. Returns <tt>true</tt> if
238 * the set contains no element <tt>e2</tt> such that
240 * If this set already contains the element, the call leaves the set
252 * Returns <tt>true</tt> if this set contains all of the elements of the
257 * @return <tt>true</tt> if this set contains all of the elements of the
260 * @see #contains(Object)
293 * @throws NullPointerException if this set contains a null element and the
314 * @throws NullPointerException if this set contains a null element and the