283902 1999362.qx3zqy7LABACTIVITY1 import java.util.Scanner;23 public class OutputWithVars {45671.16.1: Basic output with variables (Java)8910public static void main(String[] args) {Scanner scnr = new Scanner(System.in);int userNum = 0;System.out.println("Enter integer: ");1112 }13}userNum scnr.nextInt();return;Develop mode Submit modeOutputWithVars.javaEnter program input (optional)40/5MacBook AirLoad default template...Run your program as often as you'd like, before submitting for grading. Below, type any neededinput values in the first box, then click Run program and observe the program's output in thesecond box My library> IT 145: Intro to Software Development home > 1.16: Basic output with variables (Java)Enter integer: 4You entered: 4A variable like userNum can store a value like an integer. Extend the given program to print userNum values as indicated. (Submit for 2points).(1) Output the user's input.Enter integer: 4You entered: 44 squared is 16.And 4 cubed is 64!!lass BUS-206: B...(2) Extend to output the input squared and cubed. Hint: Compute squared as userNum* userNum. (Submit for 2 points, so 4 points total).Enter integer: 4You entered: 44 squared is 16And 4 cubed is 64!!Enter another integer: 54+5 is 94 5 is 20(3) Extend to get a second user input into userNum2. Output sum and product. (Submit for 1 point, so 5 points total).LABACTIVITYzyBooks catalog ? Help/FAQ Matthew Eddy-1.16.1: Basic output with variables (Java)Reading List0/5Y

I have written code below: For Integer Input scnr.nextInt(); For Display in Screen without…

LAB ACTIVITY 1 import java.util.Scanner; 2 3 public class OutputWithVars { 4 5 6 7 1.16.1: Basic output with variables (Java) 8 9 OutputWithVars.java public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int userNum = 0; - System.out.println("Enter integer: "); userNum = scor nextInt(): 0/5 Load default template..

LAB ACTIVITY 1 import java.util.Scanner; 2 3 public class OutputWithVars { 4 5 6 7 1.16.1: Basic output with variables (Java) 8 9 OutputWithVars.java public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int userNum = 0; - System.out.println("Enter integer: "); userNum = scor nextInt(): 0/5 Load default template..

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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StringFun.java import java.util.Scanner; // Needed for the Scanner class 2 3 /** Add a class comment and @tags 4 5 */ 6 7 public class StringFun { /** * @param args not used 8 9 10 11 12 public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Please enter your first name: "); 13 14 15 16 17 18 System.out.print("Please enter your last name: "); 19 20 21 //Output the welcome message with name 22 23 24 //Output the length of the name 25 26 27 //Output the username 28 29 30 //Output the initials 31 32 33 //Find and output the first name with switched characters 34 //All Done! } } 35 36 37
Code example 2-1import java.util.Scanner;public class InvoiceApp {public static void main(String[] args) {Scanner sc = new Scanner(System.in);String choice = “y”;While (choice.equals(“y”)) {System.out.print("Enter subtotal: ");double subtotal = sc.nextDouble();double salesTax = subtotal * .0875;double invoiceTotal = subtotal + salesTax;String message = “Subtotal = ” + subtotal + “\n”+ “ Sales tax = ” + salesTax + “\n”+ “Invoice total = ” + invoiceTotal + “\n\n”System.out.println(message);System.out.print(“Continue? Enter y or n: ”);Choice = sc.next();}}}38. (Refer to code example 2-1.) If the user enters “Y” when asked if he/she wants to continue, the application will a. repeat the while loop b. display a blank line, then repeat the while loop c. End
Code example 2-1import java.util.Scanner;public class InvoiceApp {public static void main(String[] args) {Scanner sc = new Scanner(System.in);String choice = “y”;While (choice.equals(“y”)) {System.out.print("Enter subtotal: ");double subtotal = sc.nextDouble();double salesTax = subtotal * .0875;double invoiceTotal = subtotal + salesTax;String message = “Subtotal = ” + subtotal + “\n”+ “ Sales tax = ” + salesTax + “\n”+ “Invoice total = ” + invoiceTotal + “\n\n”System.out.println(message);System.out.print(“Continue? Enter y or n: ”);Choice = sc.next();}}} (Refer to code example 2-1.) If the user enters 100 the first time the while loop is executed, what will the program display at the console? a. Subtotal: 100.0 Sales tax: 8.75 Invoice total: 108.75 b. Subtotal = 100.0 Sales tax = 8.75 Invoice total = 108.75 c. Subtotal = 100.0 Sales tax = 8.75Invoice total = 108.75 d. Subtotal = 100.0 Sales tax = 8.75Invoice total = 108.75
1 import java.util.Scanner; 3 public class TriangleArea { INM&567 000 2 4 8 9 10 11 12 13 14 15 4567890 16 17 18 19 20 21 } public static void main(String[] args) { Scanner scnr = new Scanner(System.in); } Current file: TriangleArea.java = Triangle triangle1 new Triangle(); Triangle triangle2 = new Triangle(); // TODO: Read and set base and height for triangle1 (use setBase() and setHeight()) // TODO: Read and set base and height for triangle2 (use setBase() and setHeight()) System.out.println("Triangle with smaller area:"); // TODO: Determine smaller triangle (use getArea()) // and output smaller triangle's info (use printInfo())
public class TwoColors 10 { public static void main(String[] args) { Scanner in = new Scanner(System.in); 11 12 13 14 System.out.print("Enter your first favorite color: "); 15 16 // Step 2: Read in the next line of input and assign • it to a String variable color1 17 // 18 19 // Step 3: Trim spaces from both end and convert the // // 20 input to all lowercase and assign it back 21 22 to the same variable 23 24 System.out.print("Enter your second favorite color: "); 25 26 // Step 4: Read in the next line of input and assign 27 // it to a String variable color2 28 29 30 // Step 5: Trim spaces from both end and convert the // // 31 input to all lowercase and assign it back 32 33 to the same variable 34 35 // Step 6: Display a message according to the following: // 36 first color 37 second color message light blue 38 red That's wonderful! light blue 39 red That's even better! That's also great! 40 otherwise 41 42
* CENGAGE MINDTAP Programming Exercise 3-6 Instructions BookstoreCredit.java + 1 import java.util.Scanner; 2 public class BookstoreCredit { To encourage good grades, Hermosa High School has decided to public static void main (String args[]) { // Write your code here 3 award each student a bookstore credit that is 10 times the student's 4 grade point average. 5 } 6 public static void computeDiscount(String name, double gpa) { // Write your code here } In other words, a student with a 3.2 grade point average receives a 8 $32.0 credit. 10 Create an application that prompts a student for a name and grade 11 } point average, and then passes the values to a method ( 12 computeDiscount ) that displays a descriptive message. The message uses the student's name, echoes the grade point average, and computes and displays the credit. An example of the program is shown below: Enter your name >> John Enter your gpa >>3.4 John, your GPA is 3.4, so your credit is $34.0 Grading Write your Java code in…
13 public class MaxMinAtLeastOneValue 14 {. public static void main(String[] args) { Scanner in = new Scanner (System.in); 15 16 17 18 // Step 2: Read in an integer as the count of double values 19 wit an input prompt "Enter the count of values: and store it in a variable // 20 21 // 22 23 // Step 3: Read in a double value with an input prompt 24 25 "Enter the first value: and store it in a variable max 26 27 28 // Step 4: Assign the value of max to another 29 // variable min 30 31 32 // Step 5: Use a for loop to read all remaining double values with an input prompt 33 // 34 // "Enter the next value: 35 // and update max and min 36 37 saved
JvExampleja 1 package com.beginnersbook 2 import java.util.Scamer; 3 public class JavaExomple 4 ( 16 17 18 19 ) public static void main(String args[]) ( } float p, r, t, sinterest; Scorner scon new Scanner(Systen, (e); System.out.print("Enter the Principal: "); pscan.nextFloat(); System.out.print("Enter the Rate of interest: "); scan.nextFloat(); System.out.print("Enter the Time period: "); tscan.nextFloat(); scon.close(); sinterest (1)/100; System.out.print("Simple Interest is: interest); Problems Declaration Console Progress Cover JavaExample Java Application Library/JavalavaVirtual Machines|ck-2. Enter the Principel: 2000 Enter the Rate of interest: Enter the Time period 3 Simple Interest is: 360.0 Jevado
Question 2. package sortsearchassigncodeex1; import java.util.Scanner; import java.io.*; // // public class Sortsearchassigncodeex1 { // public static void fillArray(Scanner inputFile, int[] arrIn){ int indx = 0; //Complete code { arrIn[indx] = inputFile.nextInt(); indx++; } }
12 public class CircleAndSphereWhileLoop 13 { public static final doublğ MAX_RADIUS 14 500.0; 15 public static void main(String[] args) 16 17 Scanner in = new Scanner(System.in); 18 19 // Step 2: Read a double value as radius using prompt 20 // "Enter the radius (between 0.0 and 500.0, exclusive): 21 22 23 // Step 3: While the input radius is not in the ragne (0.0, 500.0) 24 Display a message on one line (ssuming input value -1) "The input number -1.00 is out of range. Read a double value as radius using the same promt 25 // // 26 27 28 29 double circumference = 2 * Math.PI * radius; double area = Math.PI * radius * radius; double surfaceArea = 4 * Math.PI * Math.pow(radius, 2); double volume = (4 / 3.8) * Math.PI * Math.pow(radius, 3); 30 31 %3D 32 33 %3D 34 // Step 4: Display the radius, circle circumference, circle area, // 35 sphere surface area, and sphere volume on separate lines with 6 decimal digits 36 37 // // Sample output // The radius // The circle circumference:…
// JumpinJive.java - This program looks up and prints the names and prices of coffee orders. // Input: Interactive. // Output: Name and price of coffee orders or error message if add-in is not found. import java.util.Scanner; public class JumpinJive { public static void main(String args[]) throws Exception { // Declare variables. String addIn; // Add-in ordered by customer. final int NUM_ITEMS = 5; // Named constant // Initialized array of add-ins. String addIns[] = {"Cream", "Cinnamon", "Chocolate", "Amaretto", "Whiskey"}; // Initialized array of add-in prices. double addInPrices[] = {.89, .25, .59, 1.50, 1.75}; boolean foundIt; int x; // Loop control variable. double orderTotal = 2.00; // All orders start with a 2.00 charge // Get user input. Scanner input = new Scanner(System.in); System.out.print("Enter coffee add-in or XXX to quit: "); addIn = input.nextLine();…
import java.util.Scanner; public class CharMatch { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); String userString; char charToFind; int strIndex; userString = scnr.nextLine(); charToFind = scnr.next().charAt(0); strIndex = scnr.nextInt(); /* Your code goes here */ }}