[Solved] Consider the following code snippet:PaymentContext context = new... context.pay(75);Assuming PayPalPayment's pay method prints "Processed payment of 75 via PayPal", what will be the output? | LLD

LLD - Design — Online Shopping Cart

Consider the following code snippet:

PaymentContext context = new PaymentContext();
context.setPaymentStrategy(new PayPalPayment());
context.pay(75);

Assuming PayPalPayment's pay method prints "Processed payment of 75 via PayPal", what will be the output?

AProcessed payment of 75 via PayPal

BPaid 75 using Credit Card

CPayment of 75 failed

DNo payment strategy set

Step-by-Step Solution

Solution:

Step 1: Analyze the code
The PaymentContext is instantiated without a strategy initially.
Step 2: Set the payment strategy
The strategy is set to PayPalPayment using setPaymentStrategy.
Step 3: Call the pay method
Calling pay(75) invokes the pay method of PayPalPayment, which prints "Processed payment of 75 via PayPal".
Final Answer:
Processed payment of 75 via PayPal -> Option A
Quick Check:
Strategy set correctly and method called [OK]

Quick Trick: Set strategy before pay call to get correct output [OK]

Common Mistakes:

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