LSP Problem

L_LiskovSubstituitionProblem.java

public class L_LiskovSubstituitionProblem {

    @Getter
    @Setter
    private static class BasicAccount {
        protected double balance = 0;

        public void yield() {
            this.balance += (this.balance * 0.15);
        }
    }

    private static class SalaryAccount extends BasicAccount{
        @Override
        public void yield() {
            throw new UnsupportedOperationException("Salary account can't yield");
        }
    }

    public static void main(String[] args) {
        List<BasicAccount> accountList = new AccountDAO().getAllAccounts();
        accountList.forEach(account -> account.yield());
    }
}