add comments

Author: puzatin

src/main/java/com/binance/api/client/constant/Util.java

@@ -5,8 +5,14 @@
 import java.util.Collections;
 import java.util.List;
 
+/**
+ * Utility class
+ */
 public final class Util {
 
+    /**
+     * List of fiat currencies.
+     */
     public static final List<String> FIAT_CURRENCY = Collections.unmodifiableList(Arrays.asList("USDT", "BUSD", "PAX", "TUSD", "USDC", "NGN", "RUB", "USDS, TRY"));
 
     public static final String BTC_TICKER = "BTC";
@@ -15,6 +21,9 @@ private Util() {
         throw new java.lang.UnsupportedOperationException("This is a utility class and cannot be instantiated");
     }
 
+    /**
+     * Check if the ticker is fiat currency.
+     */
     public static boolean isFiatCurrency(String symbol) {
         for (String fiat : FIAT_CURRENCY) {
             if (symbol.equals(fiat)) return true;

src/test/java/com/binance/api/examples/TotalAccountBalanceExample.java

@@ -6,7 +6,9 @@
 import com.binance.api.client.domain.account.Account;
 import com.binance.api.client.domain.account.AssetBalance;
 
-
+/**
+ * Example how to get total of balances on your account
+ */
 public class TotalAccountBalanceExample {
 
 
@@ -20,10 +22,9 @@ public static void main(String[] args) {
         // Get total account balance in BTC (spot only)
         TotalAccountBalanceExample accountBalance = new TotalAccountBalanceExample();
         double totalBalanceInBTC = accountBalance.getTotalAccountBalance(client,account);
+        System.out.println(totalBalanceInBTC);
         // Get total account balance in USDT (spot only)
         double totalBalanceInUSDT = totalBalanceInBTC * Double.parseDouble(client.getPrice("BTCUSDT").getPrice());
-
-        System.out.println(totalBalanceInBTC);
         System.out.println(totalBalanceInUSDT);
 
 
@@ -38,10 +39,10 @@ public double getTotalAccountBalance(BinanceApiRestClient client, Account accoun
             double free = Double.parseDouble(balance.getFree());
             double locked = Double.parseDouble(balance.getLocked());
             String ticker = balance.getAsset() + Util.BTC_TICKER;
-            String tickerRev = Util.BTC_TICKER + balance.getAsset();
+            String tickerReverse = Util.BTC_TICKER + balance.getAsset();
             if (free + locked != 0) {
                 if (Util.isFiatCurrency(balance.getAsset())) {
-                    double price = Double.parseDouble(client.getPrice(tickerRev).getPrice());
+                    double price = Double.parseDouble(client.getPrice(tickerReverse).getPrice());
                     double amount = (free + locked) / price;
                     totalBalance += amount;
                 } else {