Basic Anticheat (JAVA)

import java.util.Map;
import java.util.HashMap;

public class AntiCheat {

  private Map<String, Player> players;
  private Map<String, Double> baselines;

  public AntiCheat() {
    players = new HashMap<>();
    baselines = new HashMap<>();
  }

  public void logAction(String playerName, double value) {
    Player player = players.get(playerName);
    if (player == null) {
      player = new Player(playerName);
      players.put(playerName, player);
    }
    player.addAction(value);

    Double baseline = baselines.get(playerName);
    if (baseline == null) {
      baseline = calculateBaseline(player);
      baselines.put(playerName, baseline);
    }

    if (Math.abs(value - baseline) > threshold) {
      System.out.println("Detected unusual activity from player " + playerName + ": " + value);
      // Take appropriate action (e.g. ban player)
    }
  }

  private double calculateBaseline(Player player) {
    // Calculate baseline of normal behavior for player
  }
}

class Player {
  private String name;
  private List<Double> actions;

  public Player(String name) {
    this.name = name;
    this.actions = new ArrayList<>();
  }

  public void addAction(double value) {
    actions.add(value);
  }
}