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Question

Select the code snippet which performs pre-order traversal. 
a)

public void preorder(Tree root)
{
 System.out.println(root.data);
 preorder(root.left);
 preorder(root.right);
}

b)

public void preorder(Tree root)
{
 preorder(root.left);
 System.out.println(root.data);
 preorder(root.right);
}

c)

public void preorder(Tree root)
{
 System.out.println(root.data);
 preorder(root.right);
 preorder(root.left);
}

d) None of the mentioned

a.

a

b.

b

c.

c

d.

d

Posted under Data Structures and Algorithms

Answer: (a).a

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Q. Select the code snippet which performs pre-order traversal.
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