[Solved] Which of the following is the correct way to create a TopologyTestDriver instance in Java? — Ans: new TopologyTestDriver(topology, properties); | Kafka

Kafka - Advanced Stream Processing

Which of the following is the correct way to create a TopologyTestDriver instance in Java?

ATopologyTestDriver.create(topology, properties);

Bnew TopologyTestDriver(topology, properties);

CTopologyTestDriver.start(topology, properties);

Dnew TopologyTestDriver(properties, topology);

Step-by-Step Solution

Solution:

Step 1: Recall the constructor signature
The constructor takes the topology first, then the properties.
Step 2: Check each option
new TopologyTestDriver(topology, properties); matches the correct constructor call. Options B and C use non-existent static methods. new TopologyTestDriver(properties, topology); reverses the argument order.
Final Answer:
new TopologyTestDriver(topology, properties); -> Option B
Quick Check:
Constructor = topology, properties [OK]

Quick Trick: Constructor order: topology first, then properties [OK]

Common Mistakes:

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Which of the following is the correct way to create a TopologyTestDriver instance in Java?