Makes the superclasses abstract

Saajan · Saajan · commit d4458e88ad7b · 2020-07-02T11:25:36.000+05:30
diff --git a/solid/lsp/src/main/java/io/reflectoring/solid/lsp/paymentexample/common/instruments/PaymentInstrument.java b/solid/lsp/src/main/java/io/reflectoring/solid/lsp/paymentexample/common/instruments/PaymentInstrument.java
@@ -7,7 +7,7 @@
 import io.reflectoring.solid.lsp.paymentexample.common.external.ThirdPartyFraudDetectionSystem;
 import java.util.Date;
 
-public class PaymentInstrument {
+public abstract class PaymentInstrument {
   String name;
   String cardNumber;
   String verificationCode;
diff --git a/solid/lsp/src/main/java/io/reflectoring/solid/lsp/paymentexample/redesigned/instruments/BaseBankCard.java b/solid/lsp/src/main/java/io/reflectoring/solid/lsp/paymentexample/redesigned/instruments/BaseBankCard.java
@@ -10,7 +10,7 @@
 import io.reflectoring.solid.lsp.paymentexample.redesigned.validators.IPaymentInstrumentValidator;
 import java.util.Date;
 
-public class BaseBankCard implements IPaymentInstrument {
+public abstract class BaseBankCard implements IPaymentInstrument {
     String name;
     String cardNumber;
     String verificationCode;
