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No repeat nicknames #109

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No repeat nicknames #109

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9 changes: 6 additions & 3 deletions src/main/java/me/creepermaxcz/mcbots/NickGenerator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -78,10 +78,13 @@ public String nextRandom() {
return prefix + generateRandom(nickLen);
}

public String nextReal() {
String nick = prefix + lines.get(random.nextInt(linesSize));
return nick.length() <= 16 ? nick : nick.substring(0, 15);
public synchronized String nextReal() {

int index = random.nextInt(linesSize);
String nick = prefix + lines.remove(index); // Remove chosen nicknames
linesSize = lines.size();

return nick.length() <= 16 ? nick : nick.substring(0, 15);
}

/**
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