Class Class is an object oriented programming concept, in JavaScript it’s similar to a function. Classes are just a special functions added to the ES6. But they give you more power and flexibility by assigning properties to them. Constructor A special method that represents class. It is used to create and initialize the object created …
In this article we will learn how to use optional in java 8 streams. Optional is a container object which may or may not contain null value. Some of the most important methods in Optionals are . isPresent : if a value is present returns true else return false. isEmpty: Opposite of isPresent. If a …
Here we will talk about the Spring Boot 2 Actuator Endpoints. I will cover below points in this article. At any point you can refer GITHUB repository for Spring Boot 2 Actuator. Configuration URL / path Enable & Expose Enable & Expose Before we work with endpoint, we need to understand the difference between Exposed …
If you are using validation constraints in your Spring Boot application and just migrated to Spring Boot 2.3. You will face an error saving “javax.validation.constraints does not exist“. It happened to me when I tried to migrate Spring-Boot application to JDK 14 and Spring Boot 2.3.
What is multi-threading? Multithreading is the ability of a program to perform multiple tasks concurrently. Multi-threading is a programming language term derived from a concept of multitasking. It is used when we want to divide our job into several independent parts. It allows the execution of multiple parts of a program at the same time. …
Let’s run some automated selenium tests in Firefox, without Firefox! 😉 In other words, tests run in the background and there is no display (i.e. the browser UI is not displayed to the user).
JDK prepares to use pattern matching in future versions. In JDK 12 pattern matching has been implemented in switch expression. And the same is being implemented to instanceOf in JDK 14 as a preview feature. In java program, instanceof include logic that combines testing if an expression has a certain type, and then conditionally extracting …
The easy and best way to handle scenarios where there are no proper locators, is to introduce data-* attributes (custom data attributes) on HTML elements.
In this tutorial, we’ll learn how to use the H2 in-memory database with Spring Boot. Spring Boot support H2 just like any other database. H2 is the open-source Java SQL database. Which is mainly used for testing or POC purposes. Spring boot provides out of the box support for H2 and you don’t need to …
Java for loop and enhanced for loop is a type of control flow statement which provides a compact way to iterate over a range of values. for loop repeatedly loops through the code until a particular condition is satisfied. Over the period, Java has added different types of for loop. for loop Enhanced for loop …
