Question
a)
public static void levelOrder(Tree root)
{
Queue<Node> queue=new LinkedList<Node>();
queue.add(root);
while(!queue.isEmpty())
{
Node tempNode=queue.poll();
System.out.println("%d ",tempNode.data);
if(tempNode.left!=null)
queue.add(tempNode.left);
if(tempNode.right!=null)
queue.add(tempNode.right);
}
}
b)
public static void levelOrder(Tree root)
{
Queue<Node> queue=new LinkedList<Node>();
queue.add(root);
while(!queue.isEmpty())
{
Node tempNode=queue.poll();
System.out.println("%d ",tempNode.data);
if(tempNode.left!=null)
queue.add(tempNode.right);
if(tempNode.right!=null)
queue.add(tempNode.left);
}
}
c)
public static void levelOrder(Tree root)
{
Queue<Node> queue=new LinkedList<Node>();
queue.add(root);
while(!queue.isEmpty())
{
Node tempNode=queue.poll();
System.out.println("%d ",tempNode.data);
if(tempNode.right!=null)
queue.add(tempNode.left);
if(tempNode.left!=null)
queue.add(tempNode.right);
}
}
d) None of the mentioneda.
a
b.
b
c.
c
d.
d
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Q. Select the code snippet which performs level-order traversal.
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