public boolean containsAll(Collection collection) { return verts.containsAll(collection); }
public boolean containsAll(Collection collection) { return verts.containsAll(collection); }
public boolean containsAll(Collection collection) { return verts.containsAll(collection); }
public boolean equals(Object other) { if (! (other instanceof Set)) { return false; } Set that = (Set)other; if (that.size() != this.size()) { return false; } return containsAll(that); }