"); YourNames.add("Huda"); YourNames.add("Seham"); YourNames.add("Yusra"); YourNames.add("Mohammed "); YourNames.add("Khadija"); YourNames.add("Ruqaya"); YourNames.add("Tif");
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1. Write a Java
YourNames.add("Amal");
YourNames.add("Huda");
YourNames.add("Seham");
YourNames.add("Yusra");
YourNames.add("Mohammed ");
YourNames.add("Khadija");
YourNames.add("Ruqaya");
YourNames.add("Tif");
YourNames.add("Alaa");
YourNames.add("Atheer");
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- Use an array and two index variables. Write functions or methods push, pop, and sizeof. Then write a main function or method that will allocate the stack at n=10 and push some strings in ii, print out the size, and then pop some strings from it. Note make stack be be able to hold string variable type. javaJAVA The following code for InsertionSort is given to us by the textbook. Trace the code stepby step using the array[55, 22, 77, 99, 66, 33, 11]on a piece of paper or using a Word document. If the code has errors, correct it and make itwork.public static void insertionSort(double[] list) {for (int i = 1; i < list.length; i++) {/** insert list[i] into a sorted sublist list[0..i-1] so thatlist[0..i] is sorted. */double currentElement = list[i];int k;for (k = i - 1; k >= 0 && list[k] > currentElement; k--) {list[k + 1] = list[k];}// Insert the current element into list[k+1]list[k + 1] = currentElement;}}Write a java class named First_Last_Recursive_Merge_Sort that implements the recursive algorithm for Merge Sort. You can use the structure below for your implementation. public class First_Last_Recursive_Merge_Sort { //This can be used to test your implementation. public static void main(String[] args) { final String[] items = {"Zeke", "Bob", "Ali", "John", "Jody", "Jamie", "Bill", "Rob", "Zeke", "Clayton"}; display(items, items.length - 1); mergeSort(items, 0, items.length - 1); display(items, items.length - 1); } private static <T extends Comparable<? super T>> void mergeSort(T[] a, int first, int last) { //<Your implementation of the recursive algorithm for Merge Sort should go here> } // end mergeSort private static <T extends Comparable<? super T>> void merge(T[] a, T[] tempArray, int first, int mid, int last) { //<Your implementation of the merge algorithm should go here> } // end merge //Just a quick method to display the whole array. public…
- Provide software development measures. Everything must be disassembled.python 3 Write a program that lists all ways people can line up for a photo (all permutations of a list of strings). The program will read a list of one word names, then use a recursive method to create and output all possible orderings of those names, one ordering per line. When the input is: Julia Lucas Mia then the output is (must match the below ordering): Julia Lucas Mia Julia Mia Lucas Lucas Julia Mia Lucas Mia Julia Mia Julia Lucas Mia Lucas Julia question: is it any way that i can use ('if' statement as base case, and 'else' statement as recursive case) in the code below? thanks. code: def all_permutations(permList, nameList):# TODO: Implement method to create and output all permutations of the list of names.def createPermutationsList(nameList):f = len(nameList) if f == 0:return [] if f == 1:return [nameList] permList = [] for i in range(f):newList = nameList[i]remaining = nameList[:i] + nameList[i+1:]for p in createPermutationsList(remaining):permList.append([newList] + p)…19. Write a recursive (no "while" or "for" or any looping statement) method "frequency", which takes as parameters an IntNode myList and an integer element and returns the number of times the integer element appears in myList. public class IntNode. { private int m_data; private IntNode m link; public IntNode (int data, IntNode link) { m data data; m link link; } public int getInfo() {return m_data; } public IntNode getLink () {return m_link; } } public int frequency (IntNode myList, int element) {
- ALL ABOUT ARRAYLISTMachine Problem #1. Write a method-oriented Java program to create a new array list of size 10, add somecountries (string) and print out the collection. Class Name: ArrayListMethodCountriesSample Input/OutputList of CountriesJapanUSPhilippinesKuwaitOmanSingaporeHong KongMalaysiaGreat Britain Machine Problem #2. Write a method-oriented Java program that asks the user to input two numbers and getthe sum, difference, product, and average of the numbers inputted. Class Name: MethodFourOperationsSample Input/OutputEnter num1 :90Enter num 2:88The sum is: 178The difference is: 2The product is: 7920The quotient is: 89USE JAVA LANGUAGEYou will create two programs. The first one will use the data structure Stack and the other program will use the data structure Queue. Keep in mind that you should already know from your video and free textbook that Java uses a LinkedList integration for Queue. Stack Program Create a deck of cards using an array (Array size 15). Each card is an object. So you will have to create a Card class that has a value (1 - 10, Jack, Queen, King, Ace) and suit (clubs, diamonds, heart, spade). You will create a stack and randomly pick a card from the deck to put be pushed onto the stack. You will repeat this 5 times. Then you will take cards off the top of the stack (pop) and reveal the values of the cards in the output. As a challenge, you may have the user guess the value and suit of the card at the bottom of the stack. Queue Program There is a new concert coming to town. This concert is popular and has a long line. The line uses the data structure Queue. The people in the line are objects…JAVA: Write a recursive method named threeSum that accepts a list of integers and prints all combinations of three integers in the list that sum to 0. For example, if given the list [-1, 0, 1, 2, -1, -4], print the following lines of output: [-1, 0, 1] [-1, 2, -1] [0, 1, -1] You may print the lines of output in any order. The elements in each three-element sublist should appear in the same relative order that they appeared in the original list. Do not print duplicate lists; if the same exact sublist can be made in multiple ways, print it only once. If there are no combinations of three elements that sum to 0, print no output. The list passed to your method must be back to its original state at the end of the call. Either do not modify it, or if you modify it, fully undo your modifications before the method returns. Constraints: Do not declare any global variables. You can use any data structures you like, and your code can contain loops, but the overall algorithm must be recursive and…
- Recursive Max! Write a recursive function rc_max(L:List[int]) -> int that takes a list L and returns an element with highest value in the list. For example, rc_max([1,2,3]) returns 3. Note that L is not necessarily sorted. You may assume that the input L is not empty. You cannot use the built-in max() Your Answer: 1 # Put your answer here 2 SubmitJavaTimer.java: import java.util.Arrays;import java.util.Random; public class JavaTimer { // Please expand method main() to meet the requirements.// You have the following sorting methods available:// insertionSort(int[] a);// selectionSort(int[] a);// mergeSort(int[] a);// quickSort(int[] a);// The array will be in sorted order after the routines are called!// Be sure to re-randomize the array after each sort.public static void main(String[] args) {// Create and initialize arraysint[] a = {1, 3, 5}, b, c, d;// Check the time to sort array along startTime = System.nanoTime();quickSort(a);long endTime = System.nanoTime();long duration = (endTime - startTime) / 1000l;// Output resultsSystem.out.println("Working on an array of length " + a.length + ".");System.out.println("Quick sort: " + duration + "us.");}// Thanks to https://www.javatpoint.com/insertion-sort-in-javapublic static void insertionSort(int array[]) {int n = array.length;for (int j = 1; j < n; j++) {int key = array[j];int…1. Consider the following program, taking note of blanks 1 - 4. class Probleml { private int maxSize; private char [] stackArray; private int top; public Probleml (int max) { maxSize = max; stackArray top = -1; } public void push (char j) // put item on top of stack { blankl} = new char [maxSize]; public char pop() // take item from top of stack { blank2 } public char peek () // peek at top of stack {blank3 } public boolean isEmpty() // true if stack is empty blank4} } // end class Probleml Write the correct Java statement to fill the blank indicated as blank 1, blank 2, blank 3 and blank 4 in the program. a) blank 1 b) blank 2 c) blank 3 d) blank 4