In a statement: Scanner keyboard = new Scanner (System.in); it reads user input by means of a Scanner, the user types the line of input below, exactly as shown, including that same spacing. What is the statement keyboard.nextDouble(); returned ? Answer "2": 1+2 is 3 and "5.0" squared is 25.0 ! O a. 25.0 Ob."5.0 O. 2 Od.5.0
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- Find the errors in the following code:1. // This code contains ERRORS!// It adds two numbers entered by the user.int num1, num2;String input;char again;Scanner keyboard = new Scanner(System.in);while (again == 'y' || again == 'Y')System.out.print("Enter a number: ");num1 = keyboard.nextInt();System.out.print("Enter another number: ";num2 = keyboard.nextInt();System.out.println("Their sum is "+ (num1 + num2));System.out.println("Do you want to do this again? ");keyboard.nextLine(); // Consume remaining newlineinput = keyboard.nextLine();again = input.charAt(0);Write an application that determines whether a phrase entered by the user is a palindrome. A palindrome is a phrase that reads the same backward and forward without regarding capitalization, spaces or punctuation. And it will allow the user to enter as many phrases as he likes after each iteration.Check this code for this assignment: It runs successfully on Netbeans IDE but there is no output.// Create a Scanner object to read user input Scanner input = new Scanner(System.in); // Prompt the user to enter the street number System.out.print("Enter street number: "); int streetNumber = input.nextInt(); input.nextLine(); // Prompt the user to enter the street name System.out.print("Enter street name: "); String streetName = input.nextLine(); // Prompt the user to enter the number of rooms in the house System.out.print("Enter number of rooms: "); int numRooms = input.nextInt(); input.nextLine(); // Create an array to store the room types String[] roomTypes = { "living", "dining", "bedroom1", "bedroom2", "kitchen", "bathroom" }; // Create an array to store the area of each room int[] roomAreas = new int[6]; // Prompt the user to enter the area of each room…
- Write an application that allows a user to enter any number of student quiz scores, as integers, until the user enters 99. If the score entered is less than 0 or more than 10, display Score must be between 10 and 0 and do not use the score. After all the scores have been entered, display the number of valid scores entered, the highest score, the lowest score, and the arithmetic average.Find the errors in the following code:// This code contains ERRORS!int choice, num1, num2;Scanner keyboard = new Scanner(System.in);do{System.out.print("Enter a number: ");num1 = keyboard.nextInt();System.out.print("Enter another number: ");num2 = keyboard.nextInt();System.out.println("Their sum is " + (num1 + num2));System.out.println("Do you want to do this again? ");System.out.print("1 = yes, 0 = no ");choice = keyboard.nextInt();} while (choice = 1)// Displays five random numbers between // (and including) user-specified values import java.util.Scanner; public class DebugSix4 { publicstaticvoidmain(String[] args) { int high, low, count =0; finalint NUM =5; Scanner input =newScanner(System.in); System.out.print("This application displays " + NUM + " random numbers"+ "\nbetween the low and high values you enter"+ "\nEnter low value now... "); low = input.nextInt() System.out.print("Enter high value... "); high = inputnextInt(); while(low < high) { System.out.println("The number you entered for a high number, " + high + ", is not more than " + low); System.out.print("Enter a number higher than " + low + "... "); high = input.nextInt(); while(count <NUM) { double result = Math.random(); int answer = (int) (result *10+ low); if(answer <= higher) { System.out.print(answer + " "); ++count; } } System.out.println("End of Application"); } }
- int a = 20% 4; System.out.println ("a = " + a): display Oa = 4.5 Oa-4 Oa= 0 Oa=2Find the error in the following code: The following code was intended for inputting scores for 20 students. If an invalid value was input, the program should keep reminding the user to re-input till a valid value is input. //Create Scanner object Scanner myScanner = new Scanner(System.in); //Declare variables final int studentNumber = 20; int scores[] = new int[studentNumber]; //Use while loop to allow user keep trying till valid input while(true) { for(int i=0; i<scores.length; i++) { System.out.println("Score for student "+(i+1)); scores[i] = myScanner.nextInt(); if( 100 >= scores[i]>=0){ break; } //Otherwise continue the loop } // end for }//end whileTask 5: ScanningMoney.java Write a program that reads User Input using the Scanner class. Your program should ask the user how many quarters, nickels, dimes, and pennies they have, then display the total amount in dollars. This can be done in main method. Expected Output The highlighted text denotes text that you type into the console yourself. It is not printed by the program. Due to floating point values being used your answer may have the trailing 1 or not. ----JGRASP exec: java ScanningMoney Quarters: 4 Dimes: 3 Nickels: 2 Pennies: 1 You have $1.4100000000000001 ----JGRASP: operation complete.
- Design and implement an application that plays the High-Low guessing game with numbers. The program should pick a random number between 1 and 100 (inclusive) then repeatedly prompt the user to guess the number. Every time the user guess, inform him/her whether the guess is correct, or the guess is high or low.Continue accepting guesses until the user guesses correctly or chooses to surrender. Use a sentinel value to determine whether the user wants to quit. Count the number of guesses and display that value when the user guesses correctly. At the end of each game (either by quitting or a correct guess) prompt to determine whether the user wants to play again. Continue playing until the user chooses to stop. When the user stops playing, display the number of correct guesses and surrenders.The c++program should use suitable selection and repetition structures. The input process, guessing process and output must be organized into appropriate functions.X609: Magic Date A magic date is one when written in the following format, the month times the date equals the year e.g. 6/10/60. Write code that figures out if a user entered date is a magic date. The dates must be between 1 - 31, inclusive and the months between 1 - 12, inclusive. Let the user know whether they entered a magic date. If the input parameters are not valid, return false. Examples: magicDate(6, 10, 60) -> true magicDate(50, 12, 600) –> falseint a; System.out. println ("a = " + a); display Oa-0 The statement is valid and the displayed value of a is random. The statement is invalid because a is used without being initialized.