The AWS Certified Solutions Architect – API Gateway Study Questions

With what backends can Amazon API Gateway communicate? Can you use the lambda function from another account for an API Gateway? What is VPC link is used for? You create an endpoint to your VPC by setting up a VPC link between X and Y? How do you improve the API performance? What are the […]

Java SE 8/11 Programmer II Exam Series: Concurrency (Part 1)

Introduction This post is currently in progress… In this post, we will look at the exam objective; create worker threads using Runnable, Callable, and use an ExecutorService to concurrently execute tasks. Note that this is also a part of the Java SE 11 Programmer II Certification. Runnable Interface Runnable interface Usages of Runnable interface Creating a […]