Given the BinaryTree Class (Partially Shown Below), Select an Expression

question 44

Multiple Choice

Given the BinaryTree class (partially shown below) , select an expression to complete the static recursive helper method countLeaves, which returns the number of leaf nodes in the binary tree rooted at node n.

• A)n.right == null
• B)n.left == null || n.right == null
• C)n.left == null
• D)n.left == null && n.right == null

---

Definitions:

County Court

A local court system that handles civil and minor criminal cases within a specific county.

Jurisdiction

The official power or authority to make legal decisions and judgments, often within a defined geographical area or over certain types of legal cases.

Negligence

A failure to behave with the level of care that someone of ordinary prudence would have exercised under the same circumstances, leading to unintended harm.

Diversity Of Citizenship

Under the Constitution, a basis for federal district court jurisdiction over a lawsuit between citizens of different states, a foreign country, and citizens of a state or different states or a foreign country and citizens of a state or states. The amount in controversy must be more than $75,000 before a federal court can exercise jurisdiction in such cases.