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# Binary tree

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the algorithm above should give me a binary tree. i have one question. what current.info represent? what number?

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...

Is this code that you wrote yourself?

Dmitri Makovetskiy
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David Newton wrote:...

Is this code that you wrote yourself?

NO, NEWTON, it is my teachers code. i understand that. but i dont understand the line which i marked

David Newton
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So, follow the code: I'm still not convinced you ever work out anything on paper--this is a *critically* important skill.

2) What does the Node constructor do?

That's all it takes: you only had to look at a few lines of code to determine the answer.

Dmitri Makovetskiy
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So, follow the code: I'm still not convinced you ever work out anything on paper--this is a *critically* important skill.

2) What does the Node constructor do?

That's all it takes: you only had to look at a few lines of code to determine the answer.

Newton , i scanned the whole thing. i know where the info comes from

but what value does the current.info has got?

David Newton
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The same value it was constructed with.

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David Newton wrote: . . . I'm still not convinced you ever work out anything on paper--this is a *critically* important skill. . . .

Agree with David N.

You need to imagine you have added 2 3 1 in that order to a tree, and draw a diagram of that tree after adding each of those values.

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