Homework Answers
public String toString()
{
// head points to the top element of the stack
Node trav = head;
String ans = "";
// traverse through the list
while( trav != null )
{
// getVal() returns the value of the node
ans = ans + trav.getVal() + " ";
// go to next node in the list
// getNext() returns the value of the next field
trav = trav.getNext();
}
return ans;
}
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