Given a stack of positive integers, write a Java method called movePrimes that rearranges elements of the stack such that all prime numbers are below none primes regardless to the order of primes. Note: You are allowed to create only one other stack. You can not use other data structures such as array, arraylist, queue, ....etc. Consider the following example:
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Given a stack of positive integers, write a Java method called movePrimes that rearranges elements of the stack such that all prime numbers are below none primes regardless to the order of primes.
Note: You are allowed to create only one other stack. You can not use other data structures such as array, arraylist, queue, ....etc.
Consider the following example:
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- IN JAVA Suppose that in the array-based stack, the array doubles in size after multiple push operations. But later on, fewer than half of the array’s locations might actually be used by the stack due to pop operations. Revise the implementation so that its array also can shrink in size as objects are removed from the stack. Accomplishing this task will require two new private methods, as follows: The first new method checks whether we should reduce the size of the array: private boolean isTooBig() This method returns true if the number of entries in the stack is less than half the size of the array and the size of the array is greater than 20. The second new method creates a new array that is three quarters the size of the current array and then copies the objects in the bag to the new array: private void reduceArray() Implement each of these two methods, and then use them in the definition of pop()Please use Java Write a method “removeBottomItemStack” that takes a stack of integers and removes the first item added (the one at the bottom).Write a java code that sorts a list of n items by dividing it into three sublistsof about n/3 items, sorting each sublist recursively and merging the threesorted sublists. Analyze your algorithm, and give the results under ordernotation.
- Write a method called removeBelow in the class StackApplication that accepts two parameters called elem of type int and an ArrayStack of integers st. The method should remove all the elements of the stack that are below elem from the stack. Example: elem: 15 top Stack (before method call): 20 14 18 16 10 top Stack (After method call): 20 18 16 Method heading: public static void removeBelow(int elem, ArrayStack<Integer> st)Write a method called removeBelow in the class StackApplication that accepts two parameters called elem of type int and an ArrayStack of integers st. The method should remove all the elements of the stack that are below elem from the stack. Example: elem: 15 top Stack (before method call): 20 14 18 16 10 top Stack (After method call): 20 18 16 Method heading: public static void removeBelow(int elem, ArrayStack<Integer> st) type it here pleaseJAVA: 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…
- java In this assignment you will swap a position in an array list with another. swap() gets 3 arguments, an Arraylist, a position, and another position to swap with. Example swap(["one","two","three"],0,2) returns:["three","two","one"] public static ArrayList<String> swap(ArrayList<String> list,int pos1,int pos2) public static void main(String[] args) { Scanner in = new Scanner(System.in); int size = in.nextInt(); int pos1 = in.nextInt(); int pos2 = in.nextInt(); ArrayList<String> list = new ArrayList<>(); for(int i=0; i < size; i++) { list.add(in.next()); } System.out.println(swap(list, pos1, pos2)); } }Using the picture, use Java to design and implement the class PascalTriangle that will generate a Pascal Triangle from a given number of rows. Represent each row in a triangle as a list and the entire triangle as a list of these lists, implement the class ArrayList for these lists.Write a Program in Java programming: Support you have an ArrayList containing random integers. These integers can be any number, and each integer can appear more than once. For example, [2, 19, 21, 19, 21, 1, 3, 3, 6, 21, .....] Your job is to write a method called findEvenFrequentNumbers(ArrayList<Integer> list) that returns an ArrayList which has all the numbers appears in even frequency and in increasing order. e.g. list = [2, 19, 21, 19, 21, 1, 3, 3, 6, 21], should return [3, 19] list = [3, 3, 3, 1, 2, 2, 2, 2, 2], should return [] list = [1, 1, 1, 1, 1], should return [1] Note that you need to provide a class with the main function and also the imports.
- Write a method of the ArrayBoundedStack class to swap the item at the bottom of the stack with the item at the top of the stack. Do not use any other stack methods in your code. The fields of the ArrayBoundedStack are:Given an array with values 5, 10, 15, 20, 25, what are the fewest number of swaps needed to reverse the list? a. 2 b. 3 c. 4 d. 5 JAVAIn java, Implement a method that removes all duplicates. Keep the first instance of the element but remove all subsequent duplicate elements.public void removeDuplicates() see the picture for the right output. Given files: Demo6.java public class Demo6 { public static void main(String[] args) { MyLinkedList<String> list = new MyLinkedList<>(); TestBench.addToList(list); TestBench.addToList(list); TestBench.addToList(list); TestBench.addToList(list); for (int x = 0; x < list.size(); x += 1 + x/3) { System.out.println("Removing element at index: " + x); list.remove(x); } System.out.println("Result"); System.out.println(list); System.out.println("Shuffling"); list.shuffle(7777); System.out.println(list); System.out.println("Removing duplicates (keeping first instance)"); list.removeDuplicates(); System.out.println(list); }} TestBench.java import java.util.AbstractList; public class TestBench { public static…