Question 1Analyze the following code:import java.util.*:public class Test {public static void main (String[] args){PriorityQueue queue =new PriorityQueue(Arrays.asList (60, 10, 50, 30, 40, 20)):while (!queue.isEmpty())System.out.print(queue.poll () + " ");O The program displays 10 20 30 40 50 60O The program displays 60 50 40 30 20 10Theprogram displays 60 10 50 30 40 20O There is no guarantee that the program displays 10 20 30 40 50 60A Moving to the next question prevents changes to this answer

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Question 1 Analyze the following code: import java.util.*; public class Test { public static void main(String[] args){ PriorityQueue queue = new PriorityQueue( Arrays.asList (60, 10, 50, 30, 40, 20)): while (!queue.isEmpty ()) System.out.print(queue.poll () + " "); The program displays 10 20 30 40 50 60 O The program displays 60 50 40 30 20 10 O The program displays 60 10 50 30 40 20 There is no guarantee that the program displays 10 20 30 40 50 60

Question 1 Analyze the following code: import java.util.*; public class Test { public static void main(String[] args){ PriorityQueue queue = new PriorityQueue( Arrays.asList (60, 10, 50, 30, 40, 20)): while (!queue.isEmpty ()) System.out.print(queue.poll () + " "); The program displays 10 20 30 40 50 60 O The program displays 60 50 40 30 20 10 O The program displays 60 10 50 30 40 20 There is no guarantee that the program displays 10 20 30 40 50 60

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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import java.util.*;import java.io.*; public class HuffmanCode { private Queue<HuffmanNode> queue; private HuffmanNode overallRoot; public HuffmanCode(int[] frequencies) { queue = new PriorityQueue<HuffmanNode>(); for (int i = 0; i < frequencies.length; i++) { if (frequencies[i] > 0) { HuffmanNode node = new HuffmanNode(frequencies[i]); node.ascii = i; queue.add(node); } } overallRoot = buildTree(); } public HuffmanCode(Scanner input) { overallRoot = new HuffmanNode(-1); while (input.hasNext()) { int asciiValue = Integer.parseInt(input.nextLine()); String code = input.nextLine(); overallRoot =…