AABB collision

public class AABB
{
   protected Vector2 center, halfSize;

   public AABB(Vector2 center, Vector2 halfSize)
   {
      this.center = center;
      this.halfSize = halfSize;
   }

   public static boolean collides(AABB a, AABB b)
   {
      if(Math.abs(a.center.x - b.center.x) < a.halfSize.x + b.halfSize.x)
      {
         if(Math.abs(a.center.y - b.center.y) < a.halfSize.y + b.halfSize.y)
         {
            return true;
         }
      }

      return false;
   }

   public static boolean inside(AABB a, Vector2Float b)
   {
      if(Math.abs(a.center.x - b.center.x) < a.halfSize.x)
      {
         if(Math.abs(a.center.y - b.center.y) < a.halfSize.y)
         {
            return true;
         }
      }
      return false;
   }
}