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Size: a a a
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ДК
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A
interface Gateway {
void placeOrder()
}
class Binance implements Gateway {
void placeOrder() { .... }
}
class HitBtc implements Gateway {
void placeOrder() { .... }
}
Map<String, Gateway> gateways = Map.of("Binance", new Binance(), "hitbtc", new HitBtc())
gateway.get(exchange).placeOrder()
DC
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interface Gateway {
void placeOrder()
}
class Binance implements Gateway {
void placeOrder() { .... }
}
class HitBtc implements Gateway {
void placeOrder() { .... }
}
Map<String, Gateway> gateways = Map.of("Binance", new Binance(), "hitbtc", new HitBtc())
gateway.get(exchange).placeOrder()
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