Single number (use XOR): Given a non-empty array of integers nums, every element appears twice except for one. Find that single one. You must implement a solution with a linear runtime complexity and use only constant extra space. Code in Java A brief explanation of how and why your code works and how it relates to the concepts learned (for example, it uses bitwise operation, stack, or takes into account a word size).

Single number (use XOR): Given a non-empty array of integers nums, every element appears twice except for one. Find that single one. You must implement a solution with a linear runtime complexity and use only constant extra space. Code in Java A brief explanation of how and why your code works and how it relates to the concepts learned (for example, it uses bitwise operation, stack, or takes into account a word size).

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter18: Stacks And Queues

Section: Chapter Questions

Problem 16PE: The implementation of a queue in an array, as given in this chapter, uses the variable count to...

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Single number (use XOR): Given a non-empty array of integers nums, every element appears twice except for one. Find that single one. You must implement a solution with a linear runtime complexity and use only constant extra space. A brief explanation of how and why your code works and how it relates to the concepts learned (for example, it uses bitwise operation, stack, or takes into account a word size).
Note: The code needs to be in Java and the starter code needs to be used as well.
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Compulsory Task Follow these steps: ● For this task, you are required to refactor the badly written program RPN.java. This program is a Reverse-Polish Notation calculator which uses a stack. A Reverse-Polish Notation calculator is a calculator that will calculate equations where the operator follows the operands. Therefore, instead of inputting an equation as “1 + 2”, a Reverse-Polish Notation calculator would take the following input “ 1 2 +”. A stack is a data structure in which items are added to the top of the stack and removed from the top of the stack. It is therefore known as a last-in, first-out (LIFO) data structure. Stack terminology: ○ Push — is an operation that adds an item to the top of a stack. ○ Pop — is an operation that removes an item from the top of a stack. The pseudocode for this program is: ○ Get an equation (e.g. 2 3 +) from the user as input. ○ Loop through the string value input by the user. ■ When you encounter a number (remember that numbers can include…
Please solve this problem in Java. It should read the elements of the stack as integers from a text file. n = 18 (number of elements/integers)
in java pls and thank you!
write a code in java (using recursion)
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The implementation of a queue in an array, as given in this chapter, uses the variable count to determine whether the queue is empty or full. You can also use the variable count to return the number of elements in the queue. On the other hand, class linkedQueueType does not use such a variable to keep track of the number of elements in the queue. Redefine the class linkedQueueType by adding the variable count to keep track of the number of elements in the queue. Modify the definitions of the functions addQueue and deleteQueue as necessary. Add the function queueCount to return the number of elements in the queue. Also, write a program to test various operations of the class you defined.
java dont use others answers please follow thw istructions on the photo Thank you!!!
Code with comments and output screenshot is must for an Upvote Create a Java function that uses a stack and no arithmetic to compare the number of 0's and 1's in a string. If # of 0's is greater, return -1. If # of 1's is greater, return 1. If equal, return 0.
Write a recursive function that finds the minimum value in an ArrayList. Your function signature should be public static int findMinimum(ArrayList<Integer>) One way to think of finding a minimum recursively is to think “the minimum number is either the last element in the ArrayList, or the minimum value in the rest of the ArrayList”. For example, if you have the ArrayList [1, 3, 2, 567, 23, 45, 9], the minimum value in this ArrayList is either 9 or the minimum value in [1, 3, 2, 567, 23, 45] ================================================ import java.util.*; public class RecursiveMin{public static void main(String[] args){Scanner input = new Scanner(System.in);ArrayList<Integer> numbers = new ArrayList<Integer>();while (true){System.out.println("Please enter numbers. Enter -1 to quit: ");int number = input.nextInt();if (number == -1){break;}else {numbers.add(number);}} int minimum = findMinimum(numbers);System.out.println("Minimum: " + minimum);}public static int…