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Evaluation of the following postfix expression using stacks is 20 41 -5 + 2 *. (А) -16 (в) 16 c) 4

Evaluation of the following postfix expression using stacks is 20 41 -5 + 2 *. (А) -16 (в) 16 c) 4

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
Problem 1PE
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What would be the output of the following code? KWLinkedList<Integer> list = new KWLinked List<Integer> (): for(int i = 1; i <= 4; i++) list.add( i ); Listiterator <Integer> iter = list.listiterator(); while(iter.hasNext()) int x = iter.next(); int y = iter.next(): iter.set(x + y); } while(iter.hasPrevious()) System.out.print(iter.previous() + " "); (A) 4 7 2 3 (B) 1 2 3 4 c) 1337 D) 73 3 1
Transcribed Image Text:What would be the output of the following code? KWLinkedList<Integer> list = new KWLinked List<Integer> (): for(int i = 1; i <= 4; i++) list.add( i ); Listiterator <Integer> iter = list.listiterator(); while(iter.hasNext()) int x = iter.next(); int y = iter.next(): iter.set(x + y); } while(iter.hasPrevious()) System.out.print(iter.previous() + " "); (A) 4 7 2 3 (B) 1 2 3 4 c) 1337 D) 73 3 1
Evaluation of the following postfix expression using stacks is 20 41 -5 + 2 *. (А) -16 (в) 16 c) 4
Transcribed Image Text:Evaluation of the following postfix expression using stacks is 20 41 -5 + 2 *. (А) -16 (в) 16 c) 4
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