OpenXava Interview Questions and Answers

What Is OpenXava?

The OpenXava is an Open source, Multilingual, AJAX Java Framework, and used for Rapid Development of Enterprise Web Applications.

In OpenXava you only have to write the domain classes in plain Java to get a web application ready for production.

Why You Use OpenXava?

What Are the features of OpenXava?

1. High productivity

2. Short learning curve

3. Full-featured applications

4. Mobile user interface

5. The more used Java domain-driven framework

Is OpenXava Open Source?

Yes! It is Open source and LGPL license that allows you to develop commercial applications without paying any fees.

Is OpenXava mobile user interface?

In addition to the classic web user interface for desktop you can get a mobile user interface for your applications from the same code.

Which is the latest version?

The latest version of OpenXava is - 5.9.1

Is OpenXava support Inheritance?

Yes!

What Is Inheritance in OpenXava?

Inheritance is a practical way to reuse code in the object oriented world. Using inheritance with JPA and OpenXava is as easy as using it in plain Java.

What Is Entity inheritance in OpenXava?

An entity may inherit from another entity. This entity inheritance is a useful tool to simplify your model. We are going to use it to add a new Order entity to your Invoicing application.

What Is View Inheritance in OpenXava?

You can use inheritance not only for reusing the Java code and mapping, but also for reusing the user interface definition, the @View definitions. This section shows how view inheritance works.

What Is Controllers in in OpenXava?

Controllers are used to define actions (buttons, links, and images) that the final user can click. The controllers are defined in the controllers.xml file that is in the xava directory of your project.

In The OpenXava or xava you have a default-controllers.xml that contains a group of generic controllers that can be used in your applications.

Reference link for more detail - http://www.openxava.org/OpenXavaDoc/docs/index_en.html

By Anil Singh | Rating of this article (*****)

Angular 2, 4, 5, 6, 7, 8 and 9 Interview Questions and Answers -Books

» Are you preparing for Angular Interview? Buy this book (Including Angular 8, 7, 6, 5,4, 2) Interview Q/A Interview Q/A Interview Q/A Interview Q/A Interview Q/A Interview Q/A Interview Q/A » A Complete Guide Book of Angular 9 This is a concise, complete overview of the key aspects of Angular 9. It is fully up to date with the latest release of Angular. This article provide all the important aspects required for angular developers looking for brief and useful content... Posted In Angular 9 » A Complete Guide Book of Angular 8 This is a concise, complete overview of the key aspects of Angular 9. It is fully up to date with the latest release of Angular. This article provide all the important aspects required for angular developers looking for brief and useful content... Posted In Angular 8 » A Complete Guide Book of Angular 7 This is a concise, complete overview of the key aspects of Angular 7. It is fully up to date with the latest release of Angular. This

39 Best Object Oriented JavaScript Interview Questions and Answers

Most Popular 37 Key Questions for JavaScript Interviews. What is Object in JavaScript? What is the Prototype object in JavaScript and how it is used? What is "this"? What is its value? Explain why "self" is needed instead of "this". What is a Closure and why are they so useful to us? Explain how to write class methods vs. instance methods. Can you explain the difference between == and ===? Can you explain the difference between call and apply? Explain why Asynchronous code is important in JavaScript? Can you please tell me a story about JavaScript performance problems? Tell me your JavaScript Naming Convention? How do you define a class and its constructor? What is Hoisted in JavaScript? What is function overloadin

25 Best Vue.js 2 Interview Questions and Answers

What Is Vue.js? The Vue.js is a progressive JavaScript framework and used to building the interactive user interfaces and also it’s focused on the view layer only (front end). The Vue.js is easy to integrate with other libraries and others existing projects. Vue.js is very popular for Single Page Applications developments. The Vue.js is lighter, smaller in size and so faster. It also supports the MVVM ( Model-View-ViewModel ) pattern. The Vue.js is supporting to multiple Components and libraries like - ü Tables and data grids ü Notifications ü Loader ü Calendar ü Display time, date and age ü Progress Bar ü Tooltip ü Overlay ü Icons ü Menu ü Charts ü Map ü Pdf viewer ü And so on The Vue.js was developed by “ Evan You ”, an Ex Google software engineer. The latest version is Vue.js 2. The Vue.js 2 is very similar to Angular because Evan You was inspired by Angular and the Vue.js 2 components looks like -

nullinjectorerror no provider for httpclient angular 17

In Angular 17 where the standalone true option is set by default, the app.config.ts file is generated in src/app/ and provideHttpClient(). We can be added to the list of providers in app.config.ts Step 1: To provide HttpClient in a standalone app we could do this in the app.config.ts file, app.config.ts: import { ApplicationConfig } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration } from '@angular/platform-browser'; //This (provideHttpClient) will help us to resolve the issue import {provideHttpClient} from '@angular/common/http'; export const appConfig: ApplicationConfig = { providers: [ provideRouter(routes), provideClientHydration(), provideHttpClient () ] }; The appConfig const is used in the main.ts file, see the code, main.ts : import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from '

AngularJs input date format calendar

Table of Context bout the input date. Click for live demo on plnker 1. Allow to use of a custom date format like "yyyy/MM/dd" or "yyyy-MM-dd" etc. 2. Allow to check the input date typed by the user is correct or not. 1 2 3 4 //The model must be a Date object, otherwise Angular will throw an error. //The error is Invalid Date objects will be rendered as an empty string. i.e. The dates whose getTime() is NaN. //The model must be a Date object, otherwise Angular will throw an error. //The error is Invalid Date objects will be rendered as an empty string. i.e. The dates whose getTime() is NaN. The Example 1 code as given below. 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 <!doctype html> <html lang= "en" > <head> <meta charset= "utf-8" /> <script src= " http://ajax.googleapis.com/ajax/lib

Anil Singh | Code-sample.com

Search This Blog