Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.

It will cover basic topics in Java language such as classes, data structures, inheritance, exception handling, etc. You are expected to be proficient in either Java 7 or Java 8.

Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.

Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.

Most HackerRank challenges require you to read input from stdin (standard input) and write output to stdout (standard output). One popular way to read input from stdin is by using the …

12 import java.io.*; import java.util.*; import java.text.*; import java.math.*;

In this challenge, you must read an integer, a double, and a String from stdin, then print the values according to the instructions in the Output Format section below. To make the problem a little …

Sometimes it's better to use dynamic size arrays. Java's Arraylist can provide you this feature.

Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews.

16 17 import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) { Scanner sc=new Scanner(System.in);