KwickClips Java · 43 sec · free
What is the degree of a node?
Short answer. The number of children it has.
Where does level counting start?
At the root, which is level zero.
Tree terms
| Term | Means |
|---|---|
| Root, leaf | top, childless |
| Degree | child count |
| Level, depth | root is 0 |
| Height | longest path |
Remember
| Root on top |
| Degree counts children |
Seven tree words. Know them? Every item is a node. The root is on top; a leaf has no children. Degree counts children. Level and depth start at zero. Height is the longest path. Remember. Root on top. Degree counts children.
This clip is from the full lesson: Binary Trees and Tree Traversals — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: ISC Class 12 Computer Science (868), ISC Class 12 Computer Science (868), Programming All levels Java
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