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12.5 Show how to simplify the expression tree associated with the expression R = 1 + (L 1) ∗2 by first applying the distributive property and then reducing constant expressions to constants. Use images to help you make your point. 12.6 For each BinaryTree method, identify which method may be implemented in terms of other public methods of that class or provide a reasoned rationale why it cannot. Explain why it is beneficial to cast methods in terms of other public methods rather than basing them directly on a specific implementation.

12.5 Show how to simplify the expression tree associated with the expression R = 1 + (L 1) ∗2 by first applying the distributive property and then reducing constant expressions to constants. Use images to help you make your point. 12.6 For each BinaryTree method, identify which method may be implemented in terms of other public methods of that class or provide a reasoned rationale why it cannot. Explain why it is beneficial to cast methods in terms of other public methods rather than basing them directly on a specific implementation.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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12.5 Show how to simplify the expression tree associated with the expression R = 1 + (L 1) ∗2 by first applying the distributive property and then reducing constant expressions to constants. Use images to help you make your point.

12.6 For each BinaryTree method, identify which method may be implemented in terms of other public methods of that class or provide a reasoned rationale why it cannot. Explain why it is beneficial to cast methods in terms of other public methods rather than basing them directly on a specific implementation.

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