Bael-3966: code fixes after editor review (#9203)

core-java-modules/core-java/src/main/java/com/baeldung/objectclass/Borrower.java

@@ -1,23 +0,0 @@
-package com.baeldung.objectclass;
-
-import lombok.Data;
-
-@Data
-public class Borrower extends User {
-    
-    private double totalLoanAmount;
-    
-    public double requestLoan(double amount) {
-        totalLoanAmount = amount;
-        return totalLoanAmount;
-    }
-    
-    public double increaseLoan(double increaseBy) {
-        return totalLoanAmount + increaseBy;
-    }
-    
-    public double payLoan(double amount) {
-        return totalLoanAmount - amount;
-    }
-
-}

core-java-modules/core-java/src/main/java/com/baeldung/objectclass/Lender.java

@@ -1,20 +0,0 @@
-package com.baeldung.objectclass;
-
-public class Lender extends User {
-    
-    private double totalInvestmentAmount;
-    
-    public double invest(double amount) {
-        totalInvestmentAmount = amount;
-        return totalInvestmentAmount;
-    }
-    
-    public double increaseInvestment(double increaseBy) {
-        return totalInvestmentAmount + increaseBy;
-    }
-    
-    public double collectDividends() {
-        return totalInvestmentAmount * 0.07;
-    }
-
-}

core-java-modules/core-java/src/main/java/com/baeldung/objectclass/User.java

@@ -1,12 +0,0 @@
-package com.baeldung.objectclass;
-
-import lombok.Data;
-
-@Data
-public class User {
-    
-    private String firstName;
-    private String lastName;
-    
-
-}