2.47 LAB: Using math methods Given three floating-point numbers x, y, and z, output x to the power of z, x to the power of (y to the power of z), the absolute value of y, and the square root of (xy to the power of z). Ex: If the input is: 3.6 4.5 2.0 the output is: 12.96 1.841304610218211E11 4.5 16.2
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- 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++; } }People find it easier to read time in hours, minutes, and seconds rather than just seconds. Write a program that reads in seconds as input, and outputs the time in hours, minutes, and seconds. Ex: If the input is: 4000 the output is: Hours: 1 Minutes: 6 Seconds: 40Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go east/west. Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, 1-405 services 1-5, and I-290 services 1-90. Note: 200 is not a valid auxiliary highway because 00 is not a valid primary highway number. Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also indicate if the (primary) highway runs north/south or east/west. Ex: If the input is: 90 the output is: I-90 is primary, going east/west. Ex: If the input is: 290 the output is: I-290 is auxiliary, serving I-90, going east/west. Ex: If the input is: 0 or any number not between 1 and 999, the output is: 0 is not a valid interstate highway number. Ex: If the input is: 200 the output is: 200 is not a valid interstate highway number.
- Write all the code within the main method in the Test Truck class below. Implement the following functionality. a) Constructs two truck objects: one with any make and model you choose and the second object with gas tank capacity 10. b) If an exception occurs, print the stack trace. c) Prints both truck objects that were constructed. import java.lang.IllegalArgumentException ; public class TestTruck { public static void main ( String [] args ) { heres the truck class information A Truck can be described as having a make (string), model (string), gas tank capacity (double), and whether it has a manual transmission (or not). Include the following methods in your class definition. . An overloaded constructor which takes the make and model. This method throws an IllegalArgumentException if the make is "Jeep". An overloaded constructor which takes the gas tank capacity. This method throws an IllegalArgumentException if the capacity of the gas…Lambda This lab will demonstrate the Java Lambda and how it works. Type up the code and submit the results. CODE import java.util.Scanner; public class LambdaExample ( public static void main(String[] args) { } int pounds; Scanner input new Scanner(System.in); System.out.println("Enter your name: "); String name = input.nextLine(); System.out.print("Enter capacity for washing machine in pounds of laundry >> "); pounds input.nextInt(); Worker washing Machine = () -> ( System.out.println("Hello" + name); System.out.println("I get clothes clean"); System.out.println(" and can handle + pounds +" pounds of laundry at a time."); }; washing Machine.work(); input.close(); public interface Worker ( public abstract void work();1- class Excep { 2- public static void main(String[] args){ 3 try{ int arr[]=(1,2}; 4 int x = arr[1]/arr[0]-1; 6 7 catch(ArithmeticException e) 8- { 9. System.out.printin("divide by e"); 10 } 11 catch(ArrayIndexOutofBoundsException e) 12- { 13 System.out.println("wrong indexing"); 14 15 finally 16- { 17 System.out.println("Runtime error"); 18 } 19 }} 20 Answer:
- 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 JevadoStringFun.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 37void getInput(){for(int i =0; i < studentName.length; i++){System.out.print("Student name: ");studentName[i] = keyboard.nextLine();System.out.print("Studnet ID: ");midTerm1[i] = keyboard.nextInt();}keyboard.close();} Can't put full student name becuase nextLine();
- Computer Science Write a program in the Java language that includes: 1. A class for books, taking into account the encapsulation and getter, setter. 2. Entering books by the user using Scanner 3. LinkedList class for: (Adding a new book - Inserting a book- Searching for a book using the ISBN Number - Viewing all books,delete book). 4. Serial number increases automatically with each book that is entered. 5. Printing the names of books is as follows: Serial - ISBN - Name - PubYear - Price - Notes. 6-Design a main menu that includes: • Add Book • Insert Book • Delete Book • Search . Display . ExitPlease edit this class Authenticator. Remove breaks. Also create user array of size 100 rather than 3 different arrays. Also edit so it can be more OOP import java.util.Scanner; public class AuthenticatorApp { public static void main(String[] args) throws Exception { Scanner input=new Scanner(System.in); Authenticator obj=new Authenticator("user.data"); String Username,Password; boolean done=false; int count=0; while(count<3) { System.out.print("Username? "); Username=input.next(); System.out.print("Password? "); Password=input.next(); obj.authenticate(Username,Password); count++; } System.out.print("Too many failed attempts... please try again later"); input.close(); } } ------------------------------------------------------------------------------------------------------------import java.io.File; import…import java.util.Scanner; public class TriangleArea { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); 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 Triangle { private double base; private double height; public void setBase(double userBase){ base = userBase; } public void setHeight(double userHeight) { height = userHeight; } public double getArea() { double area = 0.5 * base * height; return area; } public void printInfo() { System.out.printf("Base:…