JAVA Problem Create a function that determines whether elements in an array can be re-arranged to form a consecutive list of numbers where each number appears exactly once. Examples cons([5, 1, 4, 3, 2]) → true // Can be re-arranged to form [1, 2, 3, 4, 5] cons([5, 1, 4, 3, 2, 8]) → false cons([5, 6, 7, 8, 9, 9]) → false // 9 appears twice

JAVA Problem Create a function that determines whether elements in an array can be re-arranged to form a consecutive list of numbers where each number appears exactly once. Examples cons([5, 1, 4, 3, 2]) → true // Can be re-arranged to form [1, 2, 3, 4, 5] cons([5, 1, 4, 3, 2, 8]) → false cons([5, 6, 7, 8, 9, 9]) → false // 9 appears twice

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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Question

JAVA Problem
Create a function that determines whether elements in an array can be re-arranged to form a
consecutive list of numbers where each number appears exactly once.
Examples
cons([5, 1, 4, 3, 2]) → true
// Can be re-arranged to form [1, 2, 3, 4, 5]
cons([5, 1, 4, 3, 2, 8]) → false
cons([5, 6, 7, 8, 9, 9]) → false
//9 appears twice

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