Removing the evaluation article code.

core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/hexagon/ConstantTaxRateRepository.java

@@ -1,10 +0,0 @@
-package com.baeldung.hexagon;
-
-public class ConstantTaxRateRepository implements TaxRateRepository {
-    private static final double TAX_RATE = 0.13d;
-
-    @Override
-    public double getRate() {
-        return TAX_RATE;
-    }
-}

core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/hexagon/TaxCalculator.java

@@ -1,16 +0,0 @@
-package com.baeldung.hexagon;
-
-public class TaxCalculator implements TaxService {
-
-    private TaxRateRepository taxRateRepository;
-
-    public TaxCalculator(TaxRateRepository repository) {
-        super();
-        taxRateRepository = repository;
-    }
-
-    @Override
-    public double calculateTax(double amount) {
-        return amount * taxRateRepository.getRate();
-    }
-}

core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/hexagon/TaxFactory.java

@@ -1,11 +0,0 @@
-package com.baeldung.hexagon;
-
-public class TaxFactory {
-    public static TaxService getTaxService() {
-        return new TaxCalculator(getTaxRepository());
-    }
-
-    public static TaxRateRepository getTaxRepository() {
-        return new ConstantTaxRateRepository();
-    }
-}

core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/hexagon/TaxRateRepository.java

@@ -1,5 +0,0 @@
-package com.baeldung.hexagon;
-
-public interface TaxRateRepository {
-    public double getRate();
-}

core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/hexagon/TaxService.java

@@ -1,5 +0,0 @@
-package com.baeldung.hexagon;
-
-public interface TaxService {
-    public double calculateTax(double amount);
-}

core-java-modules/core-java-lang-oop/src/main/java/com/baeldung/hexagon/TestTaxUser.java

@@ -1,9 +0,0 @@
-package com.baeldung.hexagon;
-
-public class TestTaxUser {
-
-    public double calculateTax(Double amount) {
-        return TaxFactory.getTaxService()
-            .calculateTax(amount);
-    }
-}