How to solve the House Robber Challenge in Java
The challenge
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only …
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342 articles about java development, tools, and best practices
How to Solve the Bag of Tokens Challenge in Java
The challenge
You have an initial power of P, an initial score of ``, and a bag of tokens where tokens[i] is the value of the …
How to Find the Smallest Divisor Given a Threshold in Java
The challenge
Given an array of integers nums and an integer threshold, we will choose a positive integer divisor and divide all the array by it and …
How to Sort and Star a String Array in Java
The challenge
You will be given a vector of strings. You must sort it alphabetically (case-sensitive, and based on the ASCII values of the chars) and …
Read Article →How to Count Consecutive Characters in Java
The challenge
Given a string s, the power of the string is the maximum length of a non-empty substring that contains only one unique character.
Return …
Read Article →How to Abbreviate a Two Word Name in Java
The challenge
Write a function to convert a name into initials. This challenge strictly takes two words with one space in between them.
The output …
Read Article →How to Sort a Linked List using Insertion Sort in Java
The challenge
Sort a linked list using insertion sort.
A graphical example of insertion sort. The partially sorted list (black) initially contains …
Read Article →How to Remove First and Last Character in a String in Java
The challenge
The goal is to create a function that removes the first and last characters of a string. You don’t have to worry with strings with …
Read Article →How to Distribute Halloween Candies by Rating Value in Java
The challenge
There are N children standing in a line. Each child is assigned a rating value.
You are giving candies to these children subjected to …
Read Article →How to Distribute Halloween Candies in Java
The challenge
You have n candies, the i<sup>th</sup> candy is of type candies[i].
You want to distribute the candies equally between a …
Read Article →How to Solve the Maximize Distance to Closest Person Challenge in Java
The challenge
You are given an array representing a row of seats where seats[i] = 1 represents a person sitting in the i<sup>th</sup> …
How to Get Character from ASCII Value in Java
The challenge
Write a function which takes a number and returns the corresponding ASCII char for that value.
Example:
Ascii.getChar(65) // => …