hackerrank-java/src/JavaList.java at master · anishLearnsToCode/hackerrank-java · GitHub

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// https://www.hackerrank.com/challenges/java-list/problem

import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

public class JavaList {

private static final Scanner SCANNER = new Scanner(System.in);

public static void main(String[] args) {

int length = SCANNER.nextInt();

List<Integer> list = new ArrayList<>();

for (int index = 0 ; index < length ; index++) {

list.add(SCANNER.nextInt());

}

int queries = SCANNER.nextInt();

runQueries(queries, list);

print(list);

}

private static void print(List<Integer> list) {

for (int element : list) {

System.out.print(element + " ");

}

private static void runQueries(int queries, List<Integer> list) {

while (queries-- > 0) {

String action = SCANNER.next();

if (action.equals("Insert")) {

int index = SCANNER.nextInt();

int value = SCANNER.nextInt();

list.add(index, value);

} else { // "Delete"

int index = SCANNER.nextInt();

list.remove(index);

}

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