How to use

org.jbox2d.collision.broadphase.BroadPhase

constructor

public ContactManager(World argPool, BroadPhaseStrategy strategy) {
 m_contactList = null;
 m_contactCount = 0;
 m_contactFilter = new ContactFilter();
 m_contactListener = null;
 m_broadPhase = new BroadPhase(strategy);
 pool = argPool;
}