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- Java code: final static Scanner cin = new Scanner(System.in); public static void main(String[] args) { out.println("CPS 151 In-class assignment 3 by ___ your name here ___\n"); out.print("Enter n: "); int n = cin.nextInt(); long f = fib(n); out.println("\nfib(" + n + ") = " + f); out.println("\nCPS 151 In-class assignment 3 complete"); } // end main // standard fibonacci number computation using recursion static long fib(int n) { if (n < 0) terminate("Negative argument value not allowed, program ended"); if (n <= 1) return n; else return fib(n - 1) + fib (n - 2); } // end fib private static void indent(int level) { for(int Lcv = 1; Lcv <= level; Lcv++) out.print(" "); } // end indent private static void terminate(String errorMessage) { out.println(errorMessage); System.exit(1); } // end terminateLab2.java contains the following code: public final class Lab2 { /** * This is empty by design, Lab2 cannot be instantiated */ private Lab2() { // empty by design } /** * Returns the sum of a consecutive set of numbers from <code> start </code> to <code> end </code>. * * @pre <code> start </code> and <code> end </code> are small enough to let this * method return an int. This means the return value at most requires 4 bytes and * no overflow would happen. * * @param start is an integer number * @param end is an integer number * @return the sum of start + (start + 1) + .... + end */ public static int sum(int start, int end) { //Insert your code here and change the return statement to fit your implementation. return 0; } /** * This method creates a string using the given char * by repeating the character <code> n </code> times. * * @param first is…Java Questions - (Has 2 Parts). Based on each code, which answer out of the choices "A,B,C,D,E" is correct. Each question has one correct answer. Thank you. Part 1 - 3. Given the following code, the output is __. class Base { private int x = 5; }class Derived extends Base { x = 6; }public class Sample { public static void main(String[] args) { int x = 7; Derived d1 = new Derived(); System.out.print(d1.x); }} A. 0B. 5C. 6D. 7E. Error message Part 2 - 4. A class Animal has a subclass Mammal. Which of the following is true? A. class Animal extends Mammal { }B. class Mammal extends Animal { }C. class Animal implements Mammal { }D. class Mammal implements Animal { }E. class Mammal { Animal a1 = new Animal(); }
- Fix the Java code below: Make sure to have the right code indentation Make sure the "Main" function run the right way Code: import java.util.*; class RemoveDuplicates { public static void Main(String[] args) { int a[]={1,3,5,2,3,5,3,3,5,7,9,3}; System.out.print("Before Sorting:"); for (int i=0; i<a.length; i++ ) { System.out.print(a[i]+"\t"); } System.out.print ("\nAfter Sorting:"); //sorting the elements for(int i=0;i<a.length;i++) { for(int j=i;j<a.length;j++) { if(a[i]>a[j]) { int temp=a[i]; a[i]=a[j]; a[j]=temp; } } } //After sorting for(int i=0;i<a.length;i++) { System.out.print(a[i]+"\t"); } System.out.print("\nAfter removing duplicates:"); System.out.print("\n Here are the distinct numbers:"); int b=0;…please code in python Forbidden concepts: arrays/lists (data structures), recursion, custom classes You have been asked to take a small icon that appears on the screen of a smart telephone and scale it up so it looks bigger on a regular computer screen.The icon will be encoded as characters (x and *) in a 3 x 3 grid as follows: (refer image1 ) Write a program that accepts a positive integer scaling factor and outputs the scaled icon. A scaling factor of k means that each character is replaced by a k X k grid consisting only of that character. Input Specification:The input will be an integer such that 0 < k ≤ 10. Output Specification:The output will be 3k lines, which represent each individual line scaled by a factor of k and repeated k times. A line is scaled by a factor of k by replacing each character in the line with k copies of the character. [refer image2]Please correct the error for this code: import java.util.Scanner; // import Scanner class required to accept input from userpublic class Main // To declare 3 variables for employee ID, Name and Salary{ public static void main(String[] args) { int i; int num; Scanner obj = new Scanner(System.in); System.out.print("Enter number of employees: "); // user should enter the number of employees int num = obj.nextInt(); Employee emp[] = new Employee[num]; // create an array of num for (i = 0; i < num; i++) { Employee e = new Employee(ID, Name, Sal); emp[i] = e; System.out.println("Employee details: "); // To store the employees details System.out.print("Enter ID: "); int ID = obj.nextInt(); System.out.print("Enter Name: "); String Name = obj.nextLine(); System.out.print("Enter Salary: "); double Sal =…
- Find a duplicate (20 points). Write a program FindDuplicate.java that reads n integer arguments from the command line into an integer array of length n, where each value is between is 1 and n, and displays true if there are any duplicate values, false otherwise. java FindDuplicate 2 10 8 5 4 1 3 6 7 9 false java FindDuplicate 4 5 2 1 2 true DO NOT use System.exit() DO NOT add any import statements DO NOT add the project or package statements DO NOT change the headers of ANY of the given methods DO NOT add any new class fields ONLY print the result as specified by the example for each problem.Student name: CIS 232 Introduction to Programming Homework Assignment 10 Due Date: 11/23/2020 Instructor: Dr. Lomako Problem Statement: Write a Java program with the main method and a multiplication method (must be created, not the library method). Create “HW10_lastname.java” program that: Prints a program title Creates two n x n square matrices A and B and initializes them with random values Displays the matrices A and B Calls the multiplication method that multiplies two square matrices and returns a matrix AB that is the result of the multiplication. Prints AB matrixJAVA PROGRAM ASAP *********** THIS PROGRAM MUST WORK IN HYPERGRADE AND PASS ALL THE TEST CASES. Please create a program BECAUSE IT IS. MY HOMEWORK ASSIGNMENT with the following parts which are down below: The left index is inclusive and the right index is exclusive. 1. public static void bubbleSort(int[] array, int left, int right) { // your code here } 2. public static void insertionSort(int[] array, int left, int right) { // your code here } 3. public static void selectionSort(int[] array, int left, int right) { // your code here } Test Case 1 Please enter a space separated list of numbers to sort or type QUIT to exit:\n4 3 2 1ENTERSorting first half of the array using Bubble Sort algorithm:\n3 4 2 1\nSorting second half of the array using Bubble Sort algorithm:\n4 3 1 2\nSorting the array using Bubble Sort algorithm:\n1 2 3 4\nSorting first half of the array using Insertion Sort algorithm:\n3 4 2 1\nSorting second half of the array using Insertion…
- Can help in java String [] names = {"Dimo Ivanov", "Yani Yanev", "Ana Popova", "Nelly Angelova"}; 1. Get the arrays of names and surnames containing initial and second names, respectively (first determine the position of the space in the previous name with the indexOf () method of the String class). Display the arrays. 2. Sort the first_names array 3. Enter a name from the console using Scanner, look for an entered name contained in the first_names array and display the resultsJAVA PROGRAMMING Please Help! Look over my code and explain to me what I'm doing wrong. Thank You! This is my code so far : package initials; import java.util.Random; public class Initials { public static void main(String[] args) { //Create a new array of Strings named strings with the following line of code: //String[] strings = {"Henry Lane Van", "Jakie Marie Johnson", "Oliver Ian Smith", //"Lucas James Whitaker","Billy Bob Washington"}; String[] strings = {"Henry Lane Van", "Jakie Marie Johnson", "Oliver Ian Smith", "Lucas James Whitaker","Billy Bob Washington"}; //Create a for loop to step through the array with the following form "for (int i=0;i<strings.length;i++)" for (int i=0;i<strings.length;i++) { //The following goes in the loop: //Set a new String variable named currentName to "[Henry Lane Van]" String currentName = new String("Henry Lane Van"); //Output…Complete the following Java method. This method takes in an array of Strings. The method's task is to find out how many times the most common character frequency appears in all of the array's Strings. As an example, for the array ["mouse", "cat", "dog"], the method should return 9, since the characters "m", "u", "s", "e", "c", "a", "t", "d", and "g" appear only once and this frequency (1) appears 9 times. The character "o", appears twice. This frequency (2) appears only once. Therefore, 9 must be returned. Also, if a character appears multiple times in one String, you must count every occurrence. For example, in the word "houses", the character "s" appears twice. Therefore, each occurrence of "s" must be counted. If there is a tie at the completion of the method, you must still return how many times the most frequent character frequency occurred. Furthermore, in your implementation, you must make use of the Java Class Library's HashMap class in order to map particular characters to…