Coding Saint - Simple Short Tutorials

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Leetcode 199 Binary Tree Right Side View (Medium)

Feb 6, 20212 min read

Question Link : https://leetcode.com/problems/binary-tree-right-side-view/ It is pretty simple explanation if you visualize the tree .If we do level order traversal and keep each level node values in a list (keeping from left to right) the last val...

Leetcode 71 Simplify Path (Medium)

Feb 6, 20212 min read

Question Link : https://leetcode.com/problems/simplify-path/ After reading the question , the first intution is for using stack as appropriate data structure There are two possiblities either you do interate character by character or split the str...

Spring - Kafka Stream with Custom Objects

Mar 10, 202015 min read

Kafka is most sought after event system today. In this series we will look at Kafka event messaging and streaming. Github Repository link : https://github.com/CODINGSAINT/kafka-stream-spring What will we be creating We will create a streaming ap...

Quarkus IO - Introduction

Feb 17, 202016 min read

Quarkus IO is a microservices based java framework. According to QuarkusIO website , Quarkus is "A Kubernetes Native Java stack tailored for OpenJDK HotSpot & GraalVM, crafted from the best of breed Java libraries and standards". This course will tal...

Observable using timer

Jan 23, 20201 min read

Observable with timer will delay the publishing the event to the the time specified. It can be used if you want the Observable to delay the publishing of source events for some time.It will publish a Single element after the time specified. https://g...

Observable using interval

Jan 23, 20201 min read

Interval are timed observables. They tell to perform an event at regular basis. Intervals will help to perform a task regularly. Below code is a way to create a Timed interval example. https://gist.github.com/CODINGSAINT/ba2f2fd9d301642ec7e8c87ba8e7e...