Shivamy2

import java.util.LinkedList;
import java.util.List;

class Node {
    int data;
    Node next;
    Node prev;
}

class MyDoubleLinkedList {

Shivamy2

// Java Code
import java.util.HashMap;
import java.util.Map;

// Time Complexity: O(n) 
// Space Complexity: O(n) 
// where n = length of string
class Solution {
    public static final int MAX_UNICODE = 65_535;
    public static boolean checkWhetherStringIsUnique(String string) {

Shivamy2

// In Java
import java.util.*;

class Question1 {
    // Please try not to change anything in this method.
    public static void main(String[] args) {
        int[] numbers = new int[15];
        addRandomNumbers(numbers);
        System.out.println(Arrays.toString(numbers));
        System.out.println(findPairsByList(numbers, 10));