Question

我几乎不懂java，但我正在努力为这个项目学习一些。我正在尝试修改一个名为GyaPickupBot的程序，它基本上是IRC上的一个“拾取游戏”机器人，玩家可以在其中键入：！添加，以便添加到想要玩游戏的玩家列表中，并添加足够多的玩家！添加机器人程序宣布游戏将在游戏服务器（即地震服务器）上进行。现在，当指定数量的玩家！添加并启动游戏，机器人只列出以前的玩家！在达到最大玩家数量之前添加ed。我希望它能瓜分所有的球员！随机分成两个大小相等的小组。我已经用Collections.shuffle完成了随机部分，但我不知道如何将球员分成两个同等规模的团队。几周前，我给驻日本的作者发了一封电子邮件，他终于在今天早上回复了我，并就如何做到这一点给出了一些非常模糊的提示：

Well... at this time, I don t have much motivation to maintain this code. I can only suggest you some hints.

private boolean handleReady(String channel, String sender, String login, String hostname, String message) {
boolean isUpdate = false;
String readyGameID = mgr.getReadyGameID();
if (null != readyGameID) {
// *** add some code here to choose teams and store that result to string variable. something like: "team1: ,,,, team2: ,,,,,"
// *** you can get players list by mgr.getPlayers(readyGameID) in order to divide players to 2 teams randomly 

for (String ch : getChannels()) {
sendMessage(ch, mgr.getPickupReadyString(readyGameID));
// sendNotice(ch, mgr.getPickupReadyString(readyGameID));
// *** then, send that string to channel
}
mgr.setLastGame(Calendar.getInstance().getTimeInMillis(), mgr.getPickupReadyString(readyGameID));
ArrayList<String> players = mgr.getPlayers(readyGameID);
for (String nick : players) {
sendNotice(nick, mgr.getPickupReadyPMString(readyGameID));
// *** and send that string to players too
}
isUpdate = mgr.clearPlayers(players);
}
return isUpdate;

我知道这可能比这里要求的要多，但我真的在努力学习，但我想不出来，如果有任何帮助，我将不胜感激

Answer 1

下面的代码未经测试，但应该会让您了解如何继续。祝你好运

// retrieve all players
ArrayList<String> players = mgr.getPlayers(readyGameID);
// randomize the list
Collections.shuffle(players);
// instantiate two arraylists for the teams
ArrayList<String> teamRed = new ArrayList<String>();
ArrayList<String> teamBlue = new ArrayList<String>();

// add the first half of players to teamRed
teamRed.addAll(players.subList(0, players.size() / 2 + players.size()%2));
// and the second half to teamBlue
teamBlue.addAll(players.subList(players.size() / 2 + players.size()%2, players.size()));

// now do whatever you need to do with the two teams

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