Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank of Programming Language Java . At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.
In this post, you will find the solution for Java List-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.
Use โCtrl+Fโ To Find Any Questions Answer. & For Mobile User, You Just Need To Click On Three dots In Your Browser & You Will Get A โFindโ Option There. Use These Option to Get Any Random Questions Answer.
Introduction To Java
JAVA was developed by James Gosling at Sun Microsystems Inc in the year 1991, later acquired by Oracle Corporation. It is a simple programming language. Java makes writing, compiling, and debugging programming easy. It helps to create reusable code and modular programs.
Java is a class-based, object-oriented programming language and is designed to have as few implementation dependencies as possible. A general-purpose programming language made for developers to write once run anywhere that is compiled Java code can run on all platforms that support Java. Java applications are compiled to byte code that can run on any Java Virtual Machine. The syntax of Java is similar to c/c++.
Link for the Problem – Java List โ Hacker Rank Solution
Java List โ Hacker Rank Solution
Problem :
For this problem, we have types of queries you can perform on a List:
- Insert at index :
Insert x y - Delete the element at index :
Delete x
Problem Statement: Click Here.
Java List โ Hacker Rank Solution
import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) { List l = new LinkedList(); Scanner sc = new Scanner(System.in); int n = sc.nextInt(); for (int i = 0; i < n; i++) { l.add(sc.nextInt()); } int q = sc.nextInt(); for (int i = 0; i < q; i++) { String command = sc.next(); if (command.equals("Insert")) { int x = sc.nextInt(); int y = sc.nextInt(); l.add(x, y); } else if (command.equals("Delete")) { int x = sc.nextInt(); l.remove(x); } } Iterator it = l.iterator(); while (it.hasNext()) { System.out.print(it.next() + " "); } } }
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