oppgave: savingsaccount

src/main/java/oving7/savingsaccount/BSU.java

@@ -0,0 +1,41 @@
+package oving7.savingsaccount;
+
+public class BSU extends SavingsAccount {
+	private double depositedThisYear = 0.0;
+	private double depositMax;
+
+	BSU(double interestRate, double depositMax) {
+		super(interestRate);
+		this.depositMax = depositMax;
+	}
+
+	public double getTaxDeduction() {
+		return depositedThisYear * 0.2;
+	}
+
+	@Override
+	public void deposit(double amount) {
+		if ((depositedThisYear + amount) > depositMax) {
+			throw new IllegalStateException(
+					"cannot deposit more than the maximum deposit, which has a value of " + depositMax);
+		}
+		super.deposit(amount);
+		depositedThisYear += amount;
+	}
+
+	@Override
+	public void withdraw(double amount) {
+		if (amount > depositedThisYear) {
+			throw new IllegalStateException(
+					"cannot withdraw more than has been deposited this year, which has a value of "
+							+ depositedThisYear);
+		}
+		super.withdraw(amount);
+	}
+
+	@Override
+	public void endYearUpdate() {
+		super.endYearUpdate();
+		depositedThisYear = 0.0;
+	}
+}