Core Java Interview Questions and Answers Part 4

Q: What is an Interface? A: An interface is a collection of abstract methods. A class implements an interface, thereby […]

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How to pass VM arguments in Eclipse IDE

On this page, we’ll show how we can pass VM arguments in Eclipse while running the application through the IDE. […] Continue reading »

How to host a website on GitHub

In this article, we’ll show you how to host a website on GitHub. GitHub allows us to publish and share […] Continue reading »

Spring Boot – Handling Errors in WebClient

In this guide, we’ll learn how to handle WebClient errors. The retrieve() method in WebClient throws a WebClientResponseException whenever the […] Continue reading »

Spring Boot– Consuming a REST Services with WebClient

In this guide, we’ll show how to consume REST services with WebClient. Spring WebFlux includes a reactive, non-blocking (asynchronous) WebClient […] Continue reading »

Spring Boot – Calling REST Services with RestTemplate

In this article, we’ll learn how to consume REST services with RestTemplate from a Spring Boot application. Spring provides a […] Continue reading »

How to check whether it is POST or PAGE in WordPress

In WordPress, is_page() function return true if the current article is a “PAGE” and similarly is_single() function return true if […] Continue reading »

IntelliJ IDEA – Code reformat and rearrange shortcut keys

In IntelliJ IDEA, we can use Ctrl + Alt + L to reformat and rearrange code in Windows and Linux […] Continue reading »

How to check if user is logged-in or not in WordPress

In WordPress, we can use the is_user_logged_in() function to identify whether a current user is logged in or not. is_user_logged_in() […] Continue reading »

Getting started with ELK Stack

This article will guide you on a basic overview of ELK (Elasticsearch, Logstash, and Kibana) Stack and how-to set up […] Continue reading »

How to get author details in WordPress

In WordPress, we can use the get_the_author_meta(string $field) function to retrieve the author’s details stored in the database object. get_the_author_meta() […] Continue reading »

How to display all UTC offset in Java 8

In Java 8, we can use ZoneId.getAvailableZoneIds() to get all unique zone id and LocalDateTime to get UTC offset of […] Continue reading »

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