* This function evaluates the provided postfix expression. When an operand is encountered, it is added to the stack. When an operator is encountered, two operands are popped, the operation is evaluated, and the result is pushed to the stack. * @param expr string postfix expression representation * @return value of the supplied expression
* This function evaluates the provided postfix expression. When an operand is encountered, it is added to the stack. When an operator is encountered, two operands are popped, the operation is evaluated, and the result is pushed to the stack. * @param expr string postfix expression representation * @return value of the supplied expression
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
Problem 1PE
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* This function evaluates the provided postfix expression. When an operand is encountered, it is added to the stack. When an operator is encountered, two operands are popped, the operation is evaluated, and the result is pushed to the stack.
* @param expr string postfix expression representation * @return value of the supplied expression
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