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Which of the following is the correct way to connect two nodes in LangGraph?

easy📝 Syntax Q3 of 15
LangChain - LangGraph for Stateful Agents
Which of the following is the correct way to connect two nodes in LangGraph?
AnodeA.join(nodeB)
BnodeA.link(nodeB)
CnodeA.add(nodeB)
DnodeA.connect(nodeB)
Step-by-Step Solution
Solution:
  1. Step 1: Recall LangGraph connection method

    The standard method to connect nodes in LangGraph is using the connect() function.
  2. Step 2: Verify options

    Only nodeA.connect(nodeB) uses connect(), which is the correct syntax for linking nodes.
  3. Final Answer:

    nodeA.connect(nodeB) -> Option D
  4. Quick Check:

    Correct connection syntax = connect() [OK]
Quick Trick: Use connect() to link nodes [OK]
Common Mistakes:
MISTAKES
  • Using incorrect method names like link()
  • Confusing add() with connect()
  • Assuming join() is valid

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