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3 years ago

Which of the following statements contains an error?

1 answer:

5 0

I. is syntactically correct if genderString exists. if genderString, for example, is "Male", then char gender would be the character at index 0 (the first character), meaning 'M'.

II. is incorrect. It is using the comparison operator (==) instead of the assignment operator (=). It is also setting a boolean variable to a String value of 'F'. Boolean values cannot hold string values, and can only hold true & false.

III. is correct if ageString only contains numbers (presumably, it does, as it's called ageString). Integer.parseInt is a function that converts String values to integer values if the string values only contain numerical characters.

The answer in this case should be B. II only.

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1. Write a function that will ask the user to enter a value in dollars. The function should calculate and display the equivalent

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Answer:

import java.util.Scanner;

public class Main

{

public static void main(String[] args) {

valueInDollars();

}

public static void valueInDollars() {

double currentMoney, quarters, dimes, nickels, pennies;

Scanner input = new Scanner(System.in);

System.out.print("Enter a value in dollars: ");

currentMoney = input.nextDouble();

currentMoney *= 100;

quarters = (int)currentMoney / 25;

currentMoney = currentMoney % 25;

dimes = (int)currentMoney / 10;

currentMoney = currentMoney % 10;

nickels = (int)currentMoney / 5;

currentMoney = currentMoney % 5;

pennies = currentMoney;

System.out.print("Quarters: " + quarters + "\n" + "Dimes: " + dimes + "\n" + "Nickels: " + nickels + "\n" + "Pennies: " + pennies);

}

Explanation:

<u>Inside the function:</u>

- Declare the variables

- Ask the user for a value in dollars

- Multiply that value by 100

- Find the amount of quarters, dimes, nickels, and pennies

- Print the values

<u>Inside the main:</u>

- Call the function

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