A useful technique for working with linked Nodes is to add a toString() method to the node that returns the data about the node: item, left and right. Then when a Node is printed, the toString()...
Type: Posts; User: Norm
A useful technique for working with linked Nodes is to add a toString() method to the node that returns the data about the node: item, left and right. Then when a Node is printed, the toString()...
What variable is null? Why doesn't the code test for the null value before it gets the exception?
One problem I see is too much use of static variables and methods.