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- Please answer the correct option and its reasoning. int loc; String str = "The cow jumped over the moon."; loc = str.indexOf("ow"); What is the value of loc? 1. 5 2. 6 3. 4 4. 7Please written by computer source What is the output of the following code? public static int changeValue(int x) { int y; x = x * 2; y = x + 1; return y; } public static void main(String args[]) { int a; a = 5; System.out.print("a = " + a + ", result = " + changeValue(a)); } What is the scope of odometer defined on line 7 of the following code? 1 public class SimpleCar { 2 private int odometer; 3 public void driveForward(int miles) { 4 odometer = odometer + miles; 5 } 6 public void changeOdometer(int miles) { 7 int odometer; 8 odometer = miles; 9 } 10}Using the objects you just created, as indicated the full code below, call the method to change Paid to the opposite value and to raise or lower the arms accordingly (in C++). The full code is: #include <iostream>using namespace std; class Checkpoint {private: bool Authorized; bool Guest; bool Unauthorized;public: Checkpoint() { Authorized = false; Guest = false; Unauthorized = false; } Checkpoint(bool authorized, bool guest, bool unauthorized) { Authorized = authorized; Guest = guest; Unauthorized = unauthorized; } void changeAccessLevel() { if (Authorized) { Authorized = false; Guest = true; } else if (Guest) { Guest = false; Unauthorized = true; } else { Unauthorized = false; Authorized = true; } } void printAccessLevels() { cout << "Authorized = " << Authorized << ", Guest = " <<…
- Given the following method, which line of code correctly calls the method and copies the returned value into the memory of a local variable? (Assume all variables used have already been declared and initialized). public static double difference(double a, double b){ return abs(a-b);} Options: difference(x,y); diff = difference(double x, double y); double difference(double a, double b) diff = difference(x,y);For the following prompt. I used 2 different codes but when start the program nothing shows up on the form. What am I doing wrong? Public Class frmMain Private mdlSample As Object Private Sub frmMain_Load(sender As Object, e As EventArgs) Handles MyBase.Load 'Display the Dormitory price in the list box ListBox1.Items.Add("Allen Hall - 2,500.00 ") ListBox1.Items.Add("Pike Hall - 2,200.00") ListBox1.Items.Add("Farthing Hall - 2,100.00") ListBox1.Items.Add("UniversitySuites - 2,800.00") End Sub Private Sub btnAddDormitory_Click(sender As Object, e As EventArgs) Handles btnAddDormitory.Click ' if user don't choose any price in list box Select Case ListBox1.SelectedIndex Case -1 MessageBox.Show("Select A Dormitory Please!") End Select 'Determine the value in Module and display the value of price to lblDormitory Select Case ListBox1.SelectedIndex Case 0…Which of the following is true for a method have int return type? a)The method can have only one return statement within one-way if b)The method having only return statement within if must be two-way c)The method need not have a return statement d)The return statement should not be within if
- in C# i need to In your IDE, copy the program BorderDemo2 (in picture) After doing so, create an overload of the DisplayWithBorder() method accepting a double type variable. Modify this method so that it works exactly like the other two versions. For example, DisplayWithBorder(3.25) would output: *3.25* In your main method, add in the lines DisplayWithBorder(3.25); DisplayWithBorder(2430.49734); this is my code using System;using static System.Console; class BorderDemo2{ static void Main() { DisplayWithBorder("Ed"); DisplayWithBorder (3); DisplayWithBorder (456); DisplayWithBorder (897654); DisplayWithBorder("Veronica"); DisplayWithBorder(3.25); DisplayWithBorder(2430.49734); } private static void DisplayWithBorder(string word) { const int EXTRA_STARS = 4; const string SYMBOL = "*"; int size = word.Length + EXTRA_STARS; int x; for (x = 0; x < size; ++x) {…Question P Print person1's kids, call the incNumKids() method, and print again, outputting text as below. End each line with a newline. Sample output for below program with input 3: Kids: 3 New baby, kids now: 4 // ===== Code from file PersonInfo.java =====public class PersonInfo {private int numKids; public void setNumKids(int setPersonsKids) {numKids = setPersonsKids;} public void incNumKids() {numKids = numKids + 1;} public int getNumKids() {return numKids;}}// ===== end ===== // ===== Code from file CallPersonInfo.java =====import java.util.Scanner; public class CallPersonInfo {public static void main(String [] args) {Scanner scnr = new Scanner(System.in);PersonInfo person1 = new PersonInfo();int personsKid; personsKid = scnr.nextInt(); person1.setNumKids(personsKid); /* Your solution goes here */ }}// ===== end ===== Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this…Which XXX completes the power function? public class ExponentMethod {public static double raiseToPower(double base, double exponent){if (exponent != 0) {XXXelse {return (1/base) * raiseToPower(base, exponent+1);}}else {return 1;}}public static void main(String args[]){ int userBase;int userExponent;userBase = 2;userExponent = 4;System.out.println(userBase + " ^ " + userExponent + " = "+ raiseToPower(userBase, userExponent));}}
- The file DebugFour3.cs has syntax and/or logical errors. Determine the problem(s), and fix the program. I asked this once but the answer I was given was incorrect. using System.IO; using System; class Program { static void Main() { int credits, year; string inputString; double tuition; const int LOWCREDITS = 12; const int HIGHCREDITS = 18; const double HOURFEE = 150.00; const double DISCOUNT = 0.15; const double FLAT = 1900.00; const double RATE = 100.00; const int SENIORYEAR = 4; Console.WriteLine("How many credits? "); inputString = Console.ReadLine(); credits = Convert.ToInt32(inputString); Console.WriteLine("Year in school? "); inputString = Console.ReadLine(); year = Convert.ToInt32(inputString); if(credits > LOWCREDITS && credits < HIGHCREDITS ) tuition = HOURFEE * credits; else if(credits == HIGHCREDITS) tuition = FLAT; else tuition = FLAT + (HIGHCREDITS-credits) * RATE; if(year < SENIORYEAR) tuition = tuition - (tuition *…How do I create a code that has a public static method named replaceFirst that takes in a String s and a char c as arguments. The method will return a modified String replacing the first character with the one that was passed in. (Do not print out the String) JavaJava Question - Which option is correct? Question - Given the following code, which is the correct statement to call an overloaded method named "subIt"? class Sample { static int subIt(int x, int y) { return x-y; } static double subIt(double x, double y) { return x-y; } static char subIt(char x, char y) { return (char) ((int) x - (int) y); } static void subIt(int x) { System.out.println(x-5); } static void subIt(int x, int y, int z) { System.out.println(x-y-z); } } Group of answer choices a - System.out.print(subIt(3.15, 8.72)); b - subIt(8, 4); c - subIt('A', 'B'); d - subIt(35); e- System.out.print(subIt(35, 12, 7));
