Di dieu aya palaksanaan sarupa konsép anu sami di Java: ```java ngimpor java.util.ArrayList; ngimpor java.util.List; Nyiptakeun sinyal ganda [Price.util.List]; nyieun kelas publik BuySellStrategy { publik kosong statis main(String[] args) { Daptar<Double> closePrices = anyar ArrayList<>((; // Load data stock jeung tambahkeun ka list closePrices // Perhitungan garis MACD jeung garis sinyal ganda [Macd = anyar ganda [ClosedPrices.List.(((((((((((((((((((((((((((((((((((((((((((((((((((((((
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