If the comboBox1 has integer items, then to select an indexed item we writeO a. int x-int.Parse(comboBox1.selectedltem.ToString();O b. int x-(int)(comboBox1.Selectedltem();O c. int x-int.pàrse(comboBox1.Selectedltem);O d. int x-int.Parse(comboBox1.SelectedIndexedChanged()3;

Net is a basic, present day, object-arranged PC programming language created by Microsoft to join…

If the comboBox1 has integer items, the n to select an indexed item O a. int x=int.Parse(comboBox1.selectedltem.ToString(0); O b. int x-(int)(comboBox1.Selectedltem()3; O c. int x-int.pårse(comboBox1.Selectedltem); O d. int x-int.Parse(comboBox1.SelectedindexedChanged();

If the comboBox1 has integer items, the n to select an indexed item O a. int x=int.Parse(comboBox1.selectedltem.ToString(0); O b. int x-(int)(comboBox1.Selectedltem()3; O c. int x-int.pårse(comboBox1.Selectedltem); O d. int x-int.Parse(comboBox1.SelectedindexedChanged();

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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You have to use comment function to describe what each line does import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class PreferenceData { private final List<Student> students; private final List<Project> projects; private int[][] preferences; private static enum ReadState { STUDENT_MODE, PROJECT_MODE, PREFERENCE_MODE, UNKNOWN; }; public PreferenceData() { super(); this.students = new ArrayList<Student>(); this.projects = new ArrayList<Project>(); } public void addStudent(Student s) { this.students.add(s); } public void addStudent(String s) { this.addStudent(Student.createStudent(s)); } public void addProject(Project p) { this.projects.add(p); } public void addProject(String p) { this.addProject(Project.createProject(p)); } public void createPreferenceMatrix() { this.preferences = new…
Given data is an array of type integer, and show is a function of type void. Select the CORRECT statement that matches the description. data = show(); O data[]++ == show; O data(show[]); show(data[i]);
Make any necessary modifications to the RushJob class so that it can be sorted by job number. Modify the JobDemo3 application so the displayed orders have been sorted. using System; using static System.Console; using System.Globalization; class JobDemo4 { static void Main() { RushJob[] jobs = new RushJob[5]; int x, y; double grandTotal = 0; bool goodNum; for(x = 0 ; x < jobs.Length; ++x) { jobs[x] = new RushJob(); Write("Enter job number "); jobs[x].JobNumber = Convert.ToInt32(ReadLine()); goodNum = true; for(y = 0; y < x; ++y) { if(jobs[x].Equals(jobs[y])) goodNum = false; } while(!goodNum) { Write("Sorry, the job number " + jobs[x].JobNumber + " is a duplicate. " + "\nPlease reenter "); jobs[x].JobNumber = Convert.ToInt32(ReadLine()); goodNum = true;…
Integers numberOfParts, required Groups, and invalid Groups are read from input. If numberOfParts is 21 or more, then add 3 to requiredGroups. Otherwise, add 6 to invalidGroups. ► Click here for examples 3 public class GroupSurvey { 4 public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int numberOfParts; int requiredGroups; I int invalidGroups; 345679 8 9 10 11 12 13 14 15 16 17 18 19 20 } numberOfParts = scnr.nextInt (); requiredGroups = scnr.nextInt (); invalidGroups = scnr.nextInt (); /* Your code goes here */ if(numberOfParts>21){ requiredGroups= System.out.println(requiredGroups); System.out.println(invalidGroups);
strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Find all strobogrammatic numbers that are of length = n. For example, Given n = 2, return ["11","69","88","96"]. def gen_strobogrammatic(n): Given n, generate all strobogrammatic numbers of length n. :type n: int :rtype: List[str] return helper(n, n) def helper(n, length): if n == 0: return [™"] if n == 1: return ["1", "0", "8"] middles = helper(n-2, length) result = [] for middle in middles: if n != length: result.append("0" + middle + "0") result.append("8" + middle + "8") result.append("1" + middle + "1") result.append("9" + middle + "6") result.append("6" + middle + "9") return result def strobogrammatic_in_range(low, high): :type low: str :type high: str :rtype: int res = count = 0 low_len = len(low) high_len = len(high) for i in range(low_len, high_len + 1): res.extend(helper2(i, i)) for perm in res: if len(perm) == low_len and int(perm) int(high): continue count += 1 return…
Assume that class ArrayStack has been defined using the implementation in your textbook. Assume also that you start with the following code fragment: ArrayStack intStack; int data; intStack.push (4); #Statement A intStack.push (3); # Statement B intStack.push (2); # Statement C intStack.push (1); #Statement D Where should the statements: data intStack.peek): intStack.pop(): cout << data << endl; be placed into the code above to produce the following output: 4 The statements will be inserted as a group. Choose all locations required to produce the output.
using System;using System.Text.RegularExpressions;class chapter8 {static void Main() {string words = "08/14/57 46 02/25/59 45 06/05/85 18" +"03/12/88 16 09/09/90 13";string regExp1 = "(\\s\\d{2}\\s)";MatchCollection matchSet = Regex.Matches(words,regExp1);foreach (Match aMatch in matchSet)Console.WriteLine(aMatch.Groups[0].Captures[0]);}} Now let’s modify this program to search for dates instead of ages, and usea grouping construct to organize the dates. And write the c# code:
Integer userValue is read from input. Assume userValue is greater than 1000 and less than 99999. Assign tensDigit with userValue's tens place value. Ex: If the input is 15876, then the output is: The value in the tens place is: 7 2 3 public class ValueFinder { 4 5 6 7 8 9 10 11 12 13 GHE 14 15 16} public static void main(String[] args) { new Scanner(System.in); } Scanner scnr int userValue; int tensDigit; int tempVal; userValue = scnr.nextInt(); Your code goes here */ 11 System.out.println("The value in the tens place is: + tensDigit);
void ExtractMinimumWeightPath(int path[MAX], int weights[MAX][MAX], int pathWeights[MAX][MAX], int rowc, int colc){int rowsCount = rowc;int colsCount = colc;path[rowsCount];int col = 0;int i = 0;for(i=1;i<colsCount;i++){if(pathWeights[rowsCount-1][i]<pathWeights[rowsCount-1][col]){col = i;}} int row = rowsCount-1;do{path[row] = col + 1;if (col>0 && pathWeights[row-1][col-1] + weights[row][col] == pathWeights[row][col]){col = col - 1;} else if (col < colsCount-1 && pathWeights[row-1][col+1] + weights[row][col] == pathWeights[row][col]){col = col + 1;}row--;} while(row>0);path[0] = col + 1;} This is a code in C, I need to change the code as much as possible, but on condition to perform the same work as this. Changing the var names and the loops is enough
public static void main(String[] args) { Database db = new Database(); CD c = new CD("A Swingin' Affair", "Frank Sinatra", 16, 64); CD d = new CD("Big Bad World", "Plain White T's", 10, 35); Video x = new Video("0 Brother, Where Art Thou?", "Joel & Ethan Coen", 106, VideoType. Bluray); Video v = new Video("0 Brother, Where Art Thou?", "Joel & Ethan Coen", 106, VideoType. DVD); Video y = new Video("Infinity Wars", "Anthony & Joe Russo", 149, VideoType.Bluray); db.addItem(c); db.addItem(d); db.addItem(x); db.addItem(v); db.addItem(y); db.search("0 Brother"); db.search(VideoType.Bluray); }
forceAppliedValue and contactAreaValue are read from input. Declare and assign pointer myBallObject with a new BallObject object. Then, set myBallObject's forceApplied and contactArea to forceAppliedValue and contactAreaValue, respectively. Ex: if the input is 6.5 7.5, then the output is: BallObject's forceApplied: 6.5 Ballobject's contactArea: 7.5 1 #include 2 #include 3 using namespace std; 5 class Ballobject { 6 public: 8 9 Ballobject(); void Print (); 10 11 12 }; 13 Ballobject::Ballobject() { 14 15 double forceApplied; double contactArea; Check forceApplied = 0.0; contactArea = 0.0; 16 } 17 void Ballobject::Print() { 18 cout << "Ballobject's forceApplied: << fixed << setprecision (1) << forceApplied << endl; 1 CS Scanned with CamScanner I Next level 2 3 4 5 DD-D- D