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Spring Data with Thymeleaf

spring-interview-questions-answers

Intro Today I’ll talk about more specific issues. No design patterns or algorithms this time :-). We don’t always design software components from scratch. Often we have to try to make existing software components work together. Spring Boot is one the best free software in the Java world. It resolved a lot of configuration issues with Spring. It is very ...

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Increasing network throughput with multiple Notaries

Do you need a very high throughput Corda network? Has the network’s throughput levelled out? Have you already squeezed out all the performance you could from other areas? If your answers to these questions are “yes”, then I may have some useful information for you. I have listed out these questions to decrease the chance of you prematurely optimising your ...

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Insights from Spark UI

As continuation of  anatomy-of-apache-spark-job post i will share how you can use Spark UI for tuning job. I will continue with same example that was used in earlier post, new spark application will do below things – Read new york city parking ticket – Aggregation by “Plate ID” and calculate offence dates – Save result DAG for this code looks like this ...

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JDK 12’s Files.mismatch Method

JDK 12 introduces a new method to the Files class. The method, Files.mismatch(Path,Path), has been introduced to JDK 12 via JDK-8202302 and is available in JDK 12 Early Access Build 20 (same early access build that supports the new {@systemProperty} Javadoc tag). JDK-8202302 [“(fs) New Files.mismatch method for comparing files”] adds the Files.mismatch(Path,Path) method “to compare the contents of two ...

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[MEGA DEAL] Complete Java Programming Bootcamp (94% off)

10 Courses (83.5 Hours) to Become a Java Master: Design UIs with JavaFX, Utilize Design Patterns, Master Multithreading & More Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering the Complete Java Programming Bootcamp for only $39 instead of the original price of $740.00 , yeap that is a massive 94% off. ...

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Spring Boot Actuator Tutorial

spring-interview-questions-answers

Hello Friends, In this tutorial, we will learn about Spring actuator and what all it helps us with. 1. What is Spring Actuator? 2. How to add Spring actuator to Maven Project or Gradle Project? 3. Create a Spring Boot project with Spring Actuator dependency. 4. Monitoring the Application with Spring Actuator Endpoints. What is Spring Actuator? Once you have ...

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JDK 12 Javadoc Tag for System Properties

JDK 12 Early Access Build 20 (2018/11/15) is available and can be used to try out the new Javadoc tag {@systemProperty}. The new {@systemProperty} Javadoc tag is discussed in the core-libs-dev mailing list message “FYI: new javadoc tag to document system properties” and was introduced in response to JDK-5076751 [“System properties documentation needed in javadocs”]. The {@systemPropery} Javadoc tag displays ...

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API Gateway & AWS Lambda for Authentication

java-interview-questions-answers

When Foreach initially stepped on the microservices wagon, we didn’t really build microservices. We thought we did, but there was always some logic present in all of our services. Of course, every service should really only focus on its own tasks and not on things that belong to another microservice. The most obvious thorn in our side was authentication and authorization logic. At a certain point, we had a couple of “micro”-services that verified the Authorization headers of ...

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