This code is not working for empty binary tree .i want to know my doubt right or wrong if right then solve it

#1

In this code when binary tree is null then get height -1 but actual height is 0.

#2

@khans5854,
Please share your code.

#3

public int height() {
return this.height(this.root);
}
private int height(Node root) {
if(root==null) {
return -1;
}

	return Math.max(height(root.left),height(root.right))+1;
	
}

// this code from binary tree height lecture

#4

if root is null return 0

#5

when I return 0 then rest of answer wrong .

#6

@khans5854,
Can you share your complete code?

#7

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