Consider the following code snippet function tail(o) for ( o next...

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Basic and Variables

Consider the following code snippet

function tail(o) 
{ 
    for (; o.next; o = o.next) ;
    return o;
}

Will the above code snippet work? If not, what will be the error?

A) No, this will throw an exception as only numerics can be used in a for loop B) No, this will not iterate C) Yes, this will work D) No, this will result in a runtime error with the message “Cannot use Linked List”

Answer & Solution

Correct Answer: Option C

The above code uses a for loop to traverse a linked list data structure and return the last object in the list. This will perfectly work.

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Consider the following code snippet function tail(o) for ( o next...

Consider the following code snippet function tail(o) { for (; o.next; o = o.next) ; return o; } Will the above code snippet work? If not, what will be the error?

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Related Questions on Basic and Variables

Consider the following code snippet
`function tail(o) { for (; o.next; o = o.next) ; return o; }`
Will the above code snippet work? If not, what will be the error?