pper classes and why are they useful for ArrayLists? Include examples of aut

#include <iostream>#include <cstdlib>using namespace std; class IntNode {public:   IntNode(int dataInit = 0, IntNode* nextLoc = nullptr);   void InsertAfter(IntNode* nodeLoc);   IntNode* GetNext();   void PrintNodeData();   int GetDataVal();private:   int dataVal;   IntNode* nextNodePtr;}; // ConstructorIntNode::IntNode(int dataInit, IntNode* nextLoc) {   this->dataVal = dataInit;   this->nextNodePtr = nextLoc;} /* Insert node after this node. * Before: this -- next * After:  this -- node -- next */void IntNode::InsertAfter(IntNode* nodeLoc) {   IntNode* tmpNext = nullptr;      tmpNext = this->nextNodePtr;    // Remember next   this->nextNodePtr = nodeLoc;    // this -- node -- ?   nodeLoc->nextNodePtr = tmpNext; // this -- node -- next} // Print dataValvoid IntNode::PrintNodeData() {   cout << this->dataVal << endl;} // Grab location pointed by nextNodePtrIntNode* IntNode::GetNext() {   return this->nextNodePtr;} int IntNode::GetDataVal() {…

How can you examine the current status of an ArrayList to determine how well it is working?

For any element in keysList with a value greater than 50, print the corresponding value in itemsList, followed by a comma (no spaces). Ex: If the input is: 32 105 101 35 10 20 30 40 the output is: 20,30, 1 #include 2 3 int main(void) { const int SIZE_LIST = 4; int keysList[SIZE_LIST]; int itemsList[SIZE_LIST]; int i; 4 6 7 8 scanf("%d", &keysList[0]); scanf ("%d", &keysList[1]); scanf("%d", &keysList[2]); scanf("%d", &keysList[3]); 10 11 12 13 scanf ("%d", &itemsList[0]); scanf ("%d", &itemsList[1]); scanf("%d", &itemsList[2]); scanf ("%d", &itemsList[3]); 14 15 16 17 18 19 /* Your code goes here */ 20 21 printf("\n"); 22 23 return 0; 24 }

Please give a detailed answer and code examples for all of the questions below.What is an array and linked list?What the difference between array and List?Difference between ArrayList and Arrays in Java?

How can you figure out how well an ArrayList works?

In Java,  Explain when it might be preferable to use a map instead of a set.

2 and 3

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