idk

src/main/java/io/zipcoder/currencyconverterapplication/ConvertableCurrency.java

@@ -2,6 +2,8 @@
 
 public interface ConvertableCurrency {
     default Double convert(CurrencyType currencyType) {
-        return Double.MAX_VALUE;
+      return currencyType.getRate() / this.getCurrencyType().getRate(); // return Double.MAX_VALUE;
     }
+
+    CurrencyType getCurrencyType();
 }

src/main/java/io/zipcoder/currencyconverterapplication/CurrencyType.java

@@ -25,6 +25,6 @@ public Double getRate() {
     }
 
     public static CurrencyType getTypeOfCurrency(ConvertableCurrency currency) {
-        return null;
+        return currency.getCurrencyType();
     }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/AustralianDollar.java

@@ -1,6 +1,17 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class AustralianDollar implements ConvertableCurrency {
+
+    @Override
+    public Double convert(CurrencyType currencyType) {
+        return ConvertableCurrency.super.convert(currencyType);
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.AUSTRALIAN_DOLLAR;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/CanadianDollar.java

@@ -1,6 +1,16 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class CanadianDollar implements ConvertableCurrency {
+    @Override
+    public Double convert(CurrencyType currencyType) {
+        return ConvertableCurrency.super.convert(currencyType);
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+      return CurrencyType.CANADIAN_DOLLAR;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/ChineseYR.java

@@ -1,6 +1,15 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class ChineseYR implements ConvertableCurrency {
+
+
+  @Override
+  public CurrencyType getCurrencyType() {
+      return CurrencyType.CHINESE_YR;
+  }
+
+
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/Euro.java

@@ -1,6 +1,16 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class Euro implements ConvertableCurrency {
+    @Override
+    public Double convert(CurrencyType currencyType) {
+        return ConvertableCurrency.super.convert(currencyType);
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.EURO;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/Franc.java

@@ -1,6 +1,16 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class Franc implements ConvertableCurrency {
+    @Override
+    public Double convert(CurrencyType currencyType) {
+        return ConvertableCurrency.super.convert(currencyType);
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.FRANC;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/Pound.java

@@ -1,6 +1,16 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class Pound implements ConvertableCurrency {
+    @Override
+    public Double convert(CurrencyType currencyType) {
+        return ConvertableCurrency.super.convert(currencyType);
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.POUND;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/Ringgit.java

@@ -1,6 +1,16 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class Ringgit implements ConvertableCurrency {
+    @Override
+    public Double convert(CurrencyType currencyType) {
+        return ConvertableCurrency.super.convert(currencyType);
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.RINGGIT;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/Rupee.java

@@ -1,6 +1,16 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class Rupee implements ConvertableCurrency {
+    @Override
+    public Double convert(CurrencyType currencyType) {
+        return ConvertableCurrency.super.convert(currencyType);
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.RUPEE;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/SingaporeDollar.java

@@ -1,6 +1,16 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class SingaporeDollar implements ConvertableCurrency {
+    @Override
+    public Double convert(CurrencyType currencyType) {
+        return ConvertableCurrency.super.convert(currencyType);
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.SINGAPORE_DOLLAR;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/USDollar.java

@@ -1,6 +1,17 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class USDollar implements ConvertableCurrency {
+
+    public USDollar(){
+
+    }
+
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.US_DOLLAR;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/UniversalCurrency.java

@@ -1,6 +1,16 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class UniversalCurrency implements ConvertableCurrency {
+    @Override
+    public Double convert(CurrencyType currencyType) {
+        return ConvertableCurrency.super.convert(currencyType);
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.UNIVERSAL_CURRENCY;
+    }
 }

src/main/java/io/zipcoder/currencyconverterapplication/currencies/Yen.java

@@ -1,6 +1,21 @@
 package io.zipcoder.currencyconverterapplication.currencies;
 
 import io.zipcoder.currencyconverterapplication.ConvertableCurrency;
+import io.zipcoder.currencyconverterapplication.CurrencyType;
 
 public class Yen implements ConvertableCurrency {
+
+
+    public Yen() {
+
+    }
+
+    {
+
+    }
+
+    @Override
+    public CurrencyType getCurrencyType() {
+        return CurrencyType.YEN;
+    }
 }