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You have two variables that aren't actually needed:

• newNode: when inserting smaller than the first.

• prevTmp: when inserting after while. It can be tmpNode.

The code should be simplified since this is a basic example and it should be clear and simple. You have two variables that aren't actually needed:

• newNode: when inserting smaller than the first.

• prevTmp: when inserting after while. It can be tmpNode.

Just remove them and not bother newcomers with looking why you used those.

You have two variables that aren't actually needed.

• newNode: when inserting smaller than first

• prevTmp: when inserting after while. Can be tmpNode

You have two variables that aren't actually needed:

• newNode: when inserting smaller than the first.

• prevTmp: when inserting after while. It can be tmpNode.

You have two variables that aren't actually needed.

newNode: when inserting smaller than first prevTmp: when inserting after while. Can be tmpNode

You have two variables that aren't actually needed.

• newNode: when inserting smaller than first

• prevTmp: when inserting after while. Can be tmpNode