// Inject depndencies
// DI framework can be used to achieve this task for sake of simplicity we will just inject interfaces in ctor
public LoanCalculationEngine(ILoanCalculationStrategy loanCalculationStrategy, ILog log)
{
_strategy = loanCalculationStrategy;
_log = log;
}
public LoanCalculator(ILoanCalculationStrategy strategy)
{
_loanCalculationStrategy = strategy;
}
