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With JEP 400, the default charset becomes UTF-8 for all OS and in all locales. It is possible to use the system variable 𝒇𝒊𝒍𝒆.𝒆𝒏𝒄𝒐𝒅𝒊𝒏𝒈 to configure a different default charset  or to configure it to 𝑪𝑶𝑴𝑷𝑨𝑻 to revert to the previous behavior. It allows to: 👉 Make Java...

First, let's remind that an Observable publishes values only when we subscribe to it. So to subscribe to such stream, you have to invoke its subscribe() method, and we parse to it an observer.   Usually we do not pass the observer but a command line:  It is a coding shortcut. 𝐒𝐨, 𝐭𝐡...

Even though an enum cannot use or be the target of an extends clause, it is possible—in specific and limited situations—to have an enum that is a subclass of another enum. Given an interface and two enums:   Which is true? Choose one. A. Both enum types fail to compile. B. The Emotion...

 

JDK 18 will come with an embedded mini web server. It will allow to deal with static files from a directory thanks to command line tool: 𝒋𝒘𝒆𝒃𝒔𝒆𝒓𝒗𝒆𝒓. By default, it uses 𝒍𝒐𝒄𝒂𝒍𝒉𝒐𝒔𝒕 and the port 80 and targets the current directory. The class 𝑺𝒊𝒎𝒑𝒍𝒆𝑭𝒊𝒍𝒆𝑺𝒆𝒓𝒗𝒆𝒓...

The Sprint Goal is an objective set for the Sprint that can be met through the implementation of Product Backlog. It is important because not only does it provide guidance 🦮 to the development team on why it is building the increment, but it also answers the questions related to the value...

Let's start by defining each of them: An Observable represents an asynchrone data stream. We import it from RxJS library.A Promise is an Object which represents the state of an asynchronous operation which can be pending, done or rejected. Promises come natively with JavaScript since ECMAScript...

This track gives you essential knowledge about the Go language, or shortly Golang. You'll get acquainted with the syntax of the language and its built-in data structures, as well as learn to make a simple HTTP server.    

When copying data, you need to know when you’ve copied a value contained in an object and when you’ve copied a reference to the object. Given the class:   Which is the output? Choose one. A. true B. false C. Runtime exception at line n1 D. Runtime exception at line n2       ...

Thanks to JetBrains Academy, I successfully learned the basics of Python. ✅   In 2021, I did a hackathon 🏆where I used Python for the backend (with Flask) but was limited in my task due to a lack of knowledge 🤏of Python.   The next moves are the master course and the Django course by...

public class HappyNewYear2022 { ˑˑˑˑˑˑpublic static void main(String[] args) { ˑˑˑˑˑˑˑˑˑˑˑˑSystem.out.println("𝑯𝒂𝒑𝒑𝒚 𝒏𝒆𝒘 𝒀𝒆𝒂𝒓 2022 !"); ˑˑˑˑˑˑ} }

Scrum Team consists of the development team, a Product Owner and a Scrum Master.   1️⃣ PRODUCT OWNER 👨‍💼 Product Owner is a SINGLE PERSON, who is responsible for managing the product backlog, and maximizing the value of the product resulting from work of the development team. Product...

Reactive programming is a new paradigm that allows to code from asynchrone data streams, called Observables.     The aim of Observables is to propose the same interface to the different JavaScript APIs: 👉 Network calls: XMLHttpRequest, Fetch API, Client HTTP, etc. 👉 DOM events: click,...

 

These common Java operators work differently with numeric and string operands. Given the class👇👇👇   🤔 What is the output? Choose one. A. The same:true B. The same:false C. true D. false             ·ꓷ uoᴉʇdo sᴉ ɹǝʍsuɐ ʇɔǝɹɹoɔ ǝɥꓕ ·uoᴉsnʅɔuoꓛ

 

    💡 🅵🅾🅾🅳ˑˑˑˑˑˑ 🅵🅾🆁ˑˑˑˑˑ 🆃🅷🅾🆄🅶🅷🆃 In your country, are programmers/software engineers forced to do overtime in order to meet deadlines? 👇👇👇 https://www.quora.com/In-your-country-are-programmers-software-engineers-forced-to-do-overtime-in-order-to-meet-deadlines     ...

You know that you can use the'𝐣𝐚𝐯𝐚' command to launch a single source file without having to manually compile it first, but did you know that you can use this capability to write full-on scripts in Java in just three simple steps? First , add a shebang line to the source file that points...

All the events of Scrum have a maximum duration, i.e. the event is over if the time-box expires.  The events can also be over before the expiry of the time-box if the objectives of the event have been achieved, but it cannot extend beyond the timebox.   💡 A Sprint is a container for all...

 Dr. Timothy R Clark, The 4 Stages of PsychologicalSafety   Interesting ! It is not enough to make it work, you have to make it work the fair way... the psychological safe way.