Something

public StaticPacketBuilder UpdateFriendsListPB(){
		StaticPacketBuilder pb = new StaticPacketBuilder();
		pb.setID(249);
		int Amount = 0;
		for (int FLa = 0; FLa < FriendsList.length; FLa++){
			if(FriendsList[FLa] != 0){
			Amount = Amount + 1;	
			}
		}
		pb.addByte((byte)Amount);
		for (int FL = 0; FL < FriendsList.length; FL++){
			if(FriendsList[FL] != 0){
				pb.addLong((long)FriendsList[FL]);
			}
		}
		return pb;
	}