Add rest

src/main/java/inheritance/SavingsAccount2.java

@@ -0,0 +1,38 @@
+package inheritance;
+
+public class SavingsAccount2 extends AbstractAccount {
+
+  int withdrawals;
+  int withdrawalCount;
+  double fee;
+
+  public SavingsAccount2(int withdrawals, double fee) {
+    this.setWithdrawals(withdrawals);
+    this.setFee(fee);
+  }
+
+  public void setWithdrawals(int withdrawals) {
+    if (withdrawals < 0)
+      throw new IllegalArgumentException();
+    this.withdrawals = withdrawals;
+  }
+
+  public void setFee(double fee) {
+    if (fee < 0)
+      throw new IllegalArgumentException();
+    this.fee = fee;
+  }
+
+  @Override
+  public void internalWithdraw(double amount) {
+    if (withdrawalCount >= withdrawals)
+      amount += fee; 
+
+    if (this.balance - amount < 0)
+      throw new IllegalStateException("The account does not contain enough money for the withdrawal.");
+
+    withdrawalCount++;
+    super.balance -= amount; 
+  }
+  
+}