How to implement a tree data-structure in Java?
Is there any standard Java library class to represent a tree in Java? Specifically I need to represent the following: The sub-tree at … Read more
tree
What is the most efficient/elegant way to parse a flat table into a tree?
Assume you have a flat table that stores an ordered tree hierarchy: Id Name ParentId Order 1 ‘Node 1’ 0 10 2 ‘Node … Read more
What are the options for storing hierarchical data in a relational database?
Good Overviews Generally speaking, you’re making a decision between fast read times (for example, nested set) or fast write times (adjacency list). Usually, … Read more
Search for words with telephone numbers from 2-3-4 tree
The key here would be to acquire all the different character combinations that can derive from the characters related to the supplied number … Read more
How to implement a tree data-structure in Java?
Is there any standard Java library class to represent a tree in Java? Specifically I need to represent the following: The sub-tree at … Read more
Bad Operand Types for Binary Operator “>”?
Sure – you simply can’t apply the > operator between objects. What would you expect it to do? You can’t apply any of the other … Read more