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package examples;
import io.github.ccxt.exchanges.pro.Binance;
import io.github.ccxt.types.Trade;
import java.util.List;
/**
* Watch real-time trades via WebSocket.
* Displays live trades as they happen on the exchange.
*
* Usage:
* cd java && ./gradlew :examples:run -PmainClass=examples.WatchTrades
* cd java && ./gradlew :examples:run -PmainClass=examples.WatchTrades --args="ETH/USDT"
*/
public class WatchTrades {
public static void main(String[] args) throws Exception {
String symbol = args.length > 0 ? args[0] : "BTC/USDT";
Binance exchange = new Binance();
exchange.verbose = false;
System.out.println("Loading markets...");
exchange.loadMarkets(false);
System.out.println("Watching " + symbol + " trades (10 batches)...\n");
System.out.printf("%-26s %-5s %12s %12s %14s%n",
"Datetime", "Side", "Price", "Amount", "Cost");
System.out.println("-".repeat(72));
int totalTrades = 0;
for (int i = 0; i < 10; i++) {
List<Trade> trades = exchange.watchTrades(symbol);
// Print only the latest trades from this batch
int start = Math.max(0, trades.size() - 5);
for (int j = start; j < trades.size(); j++) {
Trade t = trades.get(j);
System.out.printf("%-26s %-5s %12s %12s %14s%n",
t.datetime,
t.side,
t.price,
t.amount,
t.cost);
}
totalTrades += trades.size();
}
System.out.println("\nTotal trades received: " + totalTrades);
System.out.println("Done!");
System.exit(0);
}
}