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AWS Lambda in Kotlin using Spring Cloud Function
Upasana | August 01, 2020 | 5 min read | 455 views | AWS Tutorials
In this tutorial we will use Spring Cloud Functions (version 2.x) in Kotlin to create and deploy a simple AWS Lambda.
Read ArticleKotlin Coroutines with Retrofit
Upasana | August 01, 2020 | 4 min read | 2,667 views
In this tutorial we will use android architecture components for making Kotlin coroutine enabled REST API calls using Retrofit in Android Application
Read ArticleSpring Boot Sidecar
Upasana | July 31, 2020 | 6 min read | 1,937 views
In this tutorial we will integrate a non-JVM app (python Flask app in this case) into Spring Cloud seamlessly using polyglot sidecar support
Read ArticleUBS Java Interview Questions
Upasana | July 31, 2020 | 2 min read | 1 views | investment banking
Important concepts and interview questions for UBS Investment Banking Domain - Concurrency, Multi-threading, Inheritance, Garbage collection, Design Patterns, important books and references
Read ArticleInstall Cassandra 4 on Ubuntu 20.04
Upasana | July 27, 2020 | 3 min read | 118 views
Apache Cassandra 4 beta came out just few days ago. In this article we will explore how to install Cassandra on Ubuntu 18 and 20.04 LTS server.
Read ArticleMD5 and SHA256 in Java Kotlin and Android
Upasana | July 26, 2020 | 4 min read | 10,824 views
Compare different options to compute MD5 (or theoretically any other Hash Function such as SHA-1, SHA-256) using Java, Android and Kotlin.
Read ArticleCustom Thread pool implementation in Java
Upasana | July 25, 2020 | 3 min read | 4,666 views
thread pool executor requires a Queue for holding tasks and a collection of Worker Threads that will pick up tasks from the work queue start running them.
Read ArticleDifference between Callable and Runnable Interface
Upasana | July 25, 2020 | 2 min read | 573 views | Multithreading and Concurrency
Callable interface is similar to Runnable, in that both are designed for classes whose instances are potentially executed by another thread. A Runnable, however, does not return a result and cannot throw a checked exception.
Read ArticleDetect Cycle/Loop in Linked List
Upasana | July 25, 2020 | 2 min read | 46 views
This solution is “Floyd’s Cycle-Finding Algorithm” as published in “Non-deterministic Algorithms” by Robert W. Floyd in 1967. It is also called “The Tortoise and the Hare Algorithm”.
Read ArticleMulti-threading Java Interview Questions for Investment Bank
Upasana | July 25, 2020 | 4 min read | 751 views
Top 50 Java multithreading interview questions for Investment Bank, healthcare, BFSI domain on Core Java, concurrency, hibernate, spring, algorithms
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