Example last trade

Main.java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;

import bittrex.BittrexWS;
import bittrex.CurrencyPair;
import bittrex.Trade;


public class Main {

    public static void main(String[] args) throws IOException {
        BittrexWS ws = new BittrexWS();
        
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
       
        do {
            String readLine = br.readLine();
            if (readLine != null && readLine.length() > 0) {
                try {
                    switch (readLine.charAt(0)) {
                    
                    case 't':
                        List<Trade> trades = ws.getTrades(new CurrencyPair(readLine.substring(2)));
                        System.out.println(trades.isEmpty()
                                ? "no trades so far"
                                : "Last trade: " + trades.get(0));    
                        break;
                    
                    default:
                        help();
                        break;
                    }
                    
                } catch (Throwable t) {
                    System.out.println("failed " + t.getMessage());
                }
            } else {
                help();
            }
        } while(true);
    }

    private static void help() {
        System.out.println("type 't XXX/YYY' to fetch the last trade.");
        System.out.println("where XXX: base currency, YYY: counter currency, i.e. BTC/USDT -> bittrex market USDT-BTC");
    }
}