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Top 10 Advanced Java Interview Questions

Mon 23 May 2022
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In the tech universe, knowing almost all the necessary scripts is an advantage. One of the essential languages to get hold of is Java, a programming language and computing platform released in 1995 by Sun Microsystems. 

Twenty-five years of its existence has only strengthened its prominence in the programming arena. Today, it is used by nearly more than ten million developers across the globe. Hence, learning Java is worth every minute. Srishti Campus is the best Java Training Centre in Trivandrum, Kerala

 

Here are top-ten advanced java interview questions that can help you land the job of your choice. 
 

  1. What all platforms does Java support? 

It is a fundamental question that can be asked at every interview panel. Java is a language that runs on many platforms. The popular platforms that support Java include Windows, Mac OS, Linux UNIX, etc.  

 

  1. What exactly is Reflection? Explain with its uses. 

Java reflections are the runtime API used to inspect and change the behaviour of interfaces, methods, and classes. They help the user to make new objects, get field values, and call methods. It also analyzes classes, fields, interfaces, and methods in runtime. Reflection can also be used by debuggers to examine private members of classes. To learn more about such questions, Srishti Campus is the best online java training centre

 

  1. Why is Java an independent platform? 

Java is an independent platform because of its ability to run anywhere. In other words, the bytecodes can run on any system despite its underlying operations. Java Training Institution can help aspiring candidates learn more about the program

 

  1. What are Daemon Threads in Java? 

They are typically like service providers for other threads or objects running as daemon threads. Their importance arises when normal threads are executed, and the threads are otherwise used for background supporting tasks. 

 

  1. What is singleton? 

It is a class which permits only a single instance of itself to be created by giving access for its creation. It is primarily used when a user limits instantiation of classes to one subject. It also contains private and unique instances. It can be of immense help when a single object needs to coordinate actions across the system. 

 

  1. What is Java Servlet? 

The Java Servlet is a server-side technology designed to facilitate the extension of web servers by providing dynamic response and data persistence.

 

  1. Why is Java not Object Oriented? 

Java is the language that uses eight primitive data types ranging from char, int, char, boolean, float, short, double, long, and byte, and these are not objects. 

 

  1. What does Java Bean mean? 

Beans comprise the cardinal scope of the spring framework. It is managed by the Spring IOC container. 
 

  1. How is equals () different from = = in Java? 

The Object class in Java defines the Equals() method for comparing two objects defined by business logic. "Equal" or "= ="  is a binary operator provided by Java and used to compare primitives and objects. The implementation at the default stage uses the = = operator for the comparison of two objects. 


 

  1. What does multiple inheritance mean?                                                                                                                                                                                          As the name goes, it is a process by which multiple parent class properties are inherited by a child class. It is also known as the diamond problem and is, however, supported by Java.

 

Srishti Campus provides the best Java training in Trivandrum. Our world-class Java Training will help you to become a Java expert. We offer them the most credible placement assistance and certification guidance for java training in Trivandrum. inter is one of the reputed institutions providing the most competitive learning in Java and other technical courses. We offer the best curriculum prepared through proper research by experts. Become a certified Java Developer with our unique course!!

How to learn Python in your coffee break

Fri 13 May 2022
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Coffee breaks and learning python might not sound like a piece of cake, but what if we knock on the doors of possibilities? Python is beyond dispute one of the most sought-after languages in demand. Because of its ability to create advanced machine learning algorithms, knowledge in this language can easily land one in a great career.  

Let's break the ice here and learn the duration one needs to understand Python. 

Coming straight to the fact, Python can be learned fast during your daily coffee breaks, but practice is the key. An investment of good two weeks can help you gain expertise in the language. However, spotting the right learning center over your comfort is one of the significant factors in making it happen. Srishti Campus is the best Python training centre to assist your dreamHere are some quick tips to help you learn the language more efficiently
 

Write and Code Everyday

Consistency, like in any other learning process, is the key here. Practising and coding every day is going to fasten the process of understanding Python. A sincere commitment to everyday coding will ease the way out and help develop good strong muscle memory. Twenty minutes during the coffee session is enough to start the game. In the journey of becoming a programmer, it is also essential to not forget to write down notes.Getting enrolled in a Python training centre also helps in many ways. It is a learning process involving memory and the notes come handy. 


Calm Weekend Mornings are the Best

To get the extra attention with your morning coffee, a dedicated practice in Python can help to up the learning. In fact, giving twenty to thirty minutes every morning can make a huge difference from those weekly classes. 


Check Important Variables

To get expertise in the language, learning a few variables will be beneficial. Once these concepts are understood, learning through python will be a smooth ride. Some of the essential fundamentals to be kept in mind are list, dictionaries, sets, functions, basic string operations, conditions, loops, classes, objects, comprehensions, variables, and types. 

 

Read Books on Python

Coffee and books are a match made in heaven. Scrolling through digital information in Python is one good step toward learning the language. Referring to the notes provided by your Python classes is another way, as they are mostly tailor-made for proper use. The notes and copies from your Python training classes could level up the process. 


Get Python Editors 

The ideal way to test your skill is to install an Integrated Development Environment (IDE), which allows the user to test, script, and even run the codes in Python. As per the internet, the popular and free Python editors or IDEs are Spyder, Visual Studio, Atom, and, PyCharm. Not only that, there are many Python training centres that could help you in becoming an expert in the language. 



Give Yourself a Break

Whilst learning something new, it is not ideal to bombard yourself with screen time and books all time. Therefore, breaks are equally essential to know things accordingly. Taking short breaks amidst your daily routine and classes can help your brain reset and come back enthusiastically. In coding, it is crucial to follow the rules of logic and language as it is. Therefore, having active eyes is undoubtedly advantageous to speed up the process.

 

Top 10 New Features & Updates of Angular 12

Fri 06 May 2022
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Angular 12 is now added in the latest addition to Google's popular TypeScript. Released in May of 2021, the framework comes with many extras like bug fixes, performance improvement, and features. As a learner of the Angular framework, staying updated with all the latest additions is vital.

Srishti Campus is the best Angular training center. 


Hop into the ten latest additions to Angular 12 to keep abreast of the add-ons 

Towards Ivy

The Angular team had consistently worked on the objective of integrating the Angular ecosystem on Ivy. The current libraries will be working on the Ivy app by depreciating the old View Engine. The library authors will now be working on moving towards Ivy to keep up.

To have a comprehensive understanding, Srishti Campus is the best training center.  

Uncertain Protractor 

There are speculations about not involving Protractor in the upcoming projects by the team. Currently, the feedback is under trial in the RFC. However, the community is working on exploring popular third party solutions available in Angular CLI. At present, the community of developers are working with Cypress, TestCafe, and Webdrive for elective solutions. 


Nullish Coelsing 

For writing a cleaner code, the nullish coalescing operator has been in the league for some time. Updating the Angular applications now helps simplify the process of conditional statements. 

Here's how the new update makes coding easier: 

{{age !== null && age !== undefined ? age : calculateAge() }} 

{{age ?? calculateAge() }}


 

TypeScript 4.2

Several updates have been made for Angular 12, including improvements in type alias, abstract classes, tuple types, and operators. No important variables or information will appear randomly by improving the in-operator. Infact, the improved version returns valid handles and suitable types, thereby lessening the errors and repetition. 



New Styling 

Along with the several changes made in the styling, the support for inline SaaS in the style field and component decorators is significant. Moreover, a brand new SaaS model has been adopted by Angular Material and CDK.

Tailwind CSS's support is also made by this version of Angular, given its development and popularity in the Tailwind community. 


A Strict Module 

Enabling the strict mode by default in CLI has added another feature. With this, catching bugs and better maintenance becomes more manageable. Application examinations are also made way quicker than before with the update. 


New Dev Tools 

Access to Angular Dev Tools was enabled after the release of Angular 12. After every preview, the embedded profiler can now capture the changed detection. It can be later monitored to figure out the delay detection cycle. 


A New Learning Experience

With the aim of improving the learning experience of developers, Angular 12 has also brought some crucial changes for an improved learning experience. This can be noticed in the Angular 12 documentation with a content projection guide. 

Along with it, the contributors guide will also aid the developers in elevating the basic understanding of a project documentation. A few useful tips and guides on debugging have also been shared. 


A change from the i18n framework 

The message-id designs were used in the i18n framework. However, this thought could be put on hold. Angular 12 has added a new and improved intuitive ID format that decreases the cost of invalidation and retranslation. The belated design is comparatively complex yet natural. 

 

Inbuilt Production Build 

Presently, the ng build command comes with improved results. However, in the new Angular 12, the production build will come by default

Srishti campus provides the best angular training in Trivandrum

 

Angular Interview Questions

Fri 29 Apr 2022
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Jobs in IT are always in demand and yet can become a tough nut to crack without concrete understanding. Expanding the gamut of mastery becomes equally significant with the engineering degree in hand for that dream job. 

Working on learning the Angular framework can be one such gateway to reaching the coding eclipse. However, finding and learning from the Angular training centre whilst preparing for the interview is no mean feat. Infact, the best angular training centre can pave the way for all these hurdles. Srishti Campus is the best Angular training centre in Trivandrum.

A successful job from learning the angular framework  kickstarts a great career. The industry looks for candidates who could crack a set of questions often asked in the interviews. 

Here are the top ten angular interview questions often asked during those testing segments.  
 

  1. What is Angular ?

As basic as it sounds, the interviewer might start from scratch. As explained earlier, Angular is another popular JavaScript framework developed by Google. Introduced to create Single page applications, it brings format and consistency to applications by delivering exceptional maintainability and scalability.

  1. What is a TypeScript? 

A superset of JavaScript, it is the most recommended program because it delivers some syntactic sugar by making the codebase easy to comprehend and maintain. 

  1. What purpose does Angular serve? 

The primary objective of using Angular is to create quick and scalable web applications as they can be easily made with the framework's components and commands. The program provides a space for developing web-based applications and qualifies developers to organise multi-platform applications. 

 

  1. What are the major differences between AngularJS and Angular? 

One of the major distinctions between AngularJS and Angular is the script. The former uses JavaScript as its language, whereas the latter is  TypeScript. 

 

AngularJS has a bunch of directives, making it different from Angular, which only has a standard directive. 

AngularJS comes with a model-view-controller (MVC) that manages the logic, data, and rules and expresses how the applications behave. The view ideally develops the output only after reviewing the information in the model. This model is where the management of every data is safely stored. Later, the controller receives input and converts its commands by sending them to the model and view. 

However, on the other hand, the components used by Angular are directives with templates. The two kinds of directives used by this framework are structural and attribute directives. 

 

Angular supports mobile while AngularJS doesn't. 

With time-saving attributes and easy accessibility, Angular uses Command Line Interface (CLI) for project building. However, Angular is supported by IDE and Webstorm, and JavaScript tools to test errors and build the application. 

 

  1. What technologies does Angular use? 

Being developed and created by Google, the Angular framework has several technologies for better performance of tasks and great experience. TypeScript and RxJS are some of the attributes the framework uses for detecting bugs and dealing with asynchronous operations. 

 

  1. What is Angular primarily used for? 

It is typically used for the development of Single Page Applications or SPA. Its interesting features, including type safety, modular CI, and built-in data streaming, make it a complete web framework. 

 

  1. What are Single Page Applications? 

Single Page Applications are web applications that load only a single web document and not the new HTM pages to display the new page’s content. The page later updates the body content through frameworks like JavaScript. The Single Page Applications for SPA method is always the fastest and most efficient proven methodology for smoother user experience. 

 

  1. What are the major advantages of the Angular framework? 

The angular framework comprises various patterns like pipes, services, directives, etc, that help with the easy development and applications. The presence of an MVC framework gives a set of ideas on the application structure. Static and Angular templates are supported and users have the liberty to add a custom device if needed. The dependency injections can help and quickly work around the dependent components. 

 

  1. What are Angular expressions? 

  The expressions of Angular code snippets are used to tie application data to HTML. They are written in double braces, similar to JavaScript. 

Syntax: {{ expression }} 

 

  1. What are templates in Angular? 

The templates of Angular are written along with the HTML with Angular- specific elements and features. These components are used to provide a seamless and dynamic view to the users. Apart from that, the templates are also combined with the model and controller’s information.

 

Top 10 PHP Development Tools For Efficient PHP Developers in 2022

Mon 25 Apr 2022
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PHP is the fastest and most widely used server-side scripting language for building websites and web apps. There are many good reasons why several developers prefer PHP to other server-side languages like Python and Ruby. PHP includes detailed documentation, numerous ready-to-use scripts, a huge community, and well-supported frameworks. To make PHP work easier, experts have developed some PHP development tools that increase programming efficiency. Get online php training from Srishti campus.

 

Today’s market is flooded with many PHP tools, and choosing the best one among them is a challenging task. Here are the top 10 best PHP development tools that captured the attention of web development communities.

 

1. PHPStorm

With the nature of being lightweight, extremely fast and smooth, PHPStorm is the most standard choice to other PHP development tools. This PHP IDE works well with PHP frameworks like Zend Framework, Symfony, Yii, Laravel, CakePHP and with popular Content Management Systems (CMS) like Drupal, Magento, and WordPress. This IDE provides live editing support for major front-end technologies like CSS, HTML5, JavaScript, etc. while supporting for code refactoring, unit testing and debugging. Besides, it also empowers developers to integrate with databases, version control systems, remote deployment, composer, command line tools, rest client and many other tools.

 

PHPStorm Features:

  • Code completion
  • Code re-arranger
  • Zero Configuration Debugging
  • Native ZenCoding support
  • Supports extension with plenty of useful plugins like VimEditor

PHPStorm Specialties:

  • Languages supported: PHP, JavaScript, Visual Basic, C, C++, and C#
  • Platforms supported: Microsoft Windows, Linux, and Mac OS X
  • Visit: PHPStorm

 

2. Zend Studio

Most web developers opt for Zend Studio because of its optimal speed. Writing and debugging code in Zend Studio doesn’t demand any extra effort and time from developers. While supporting PHP 7, it debugs PHP scripts by integrating X-ray, Xdebug, and Zend Debugger. This comprehensive PHP IDE comes with an exciting set of features and powered to deploy applications on various servers including servers in the cloud. Developers can extend Zend Studio via Eclipse plugins.

 

Zend Studio Features:

  • Indexing & searching PHP Code
  • Faster Performance in the validation
  • Zend Framework & Zend_Tool Integration
  • Docker Support
  • Support for Eclipse Plugin

Zend Studio Specialties:

  • Languages supported: PHP, JavaScript, Visual Basic, C, C++, and C#
  • Platforms supported: Microsoft Windows, Linux, and MacOS
  • Visit: Zend Studio

 

3. NuSphere PhpED

PhpED is a proprietary integrating PHP development tool offered by NuSphere. This PHP IDE comprises an advanced PHP editor, Profiler, PHP debugger, and database client & code insight. This utility provides the developers with several tools and tweaks that will make the whole web development process less cumbersome. With the help of the commercial PHP accelerator called PhpExpress, PhpEd speeds up the application development process. This IDE is an ideal option to develop complex websites and web applications. It supports JavaScript, HTML, and CSS3 while offering massive support for PHP 7.1. Its refactoring capabilities empower developers to improve their code. PhpED allows developers to work through most popular PHP frameworks like Laravel, Zend, and Yii.

 

PhpED features:

  • Accelerate PHP apps with PhpExpress
  • Support for composite file extensions
  • Parallel Debugging
  • Full integration with phpUnit
  • Refactoring of PHP code

PhpED Specialties:

  • Languages supported: PHP, HTML, XML, CSS, Perl, Python and JavaScript
  • Platforms supported: Windows, Web, Mac, Linux, iPad
  • Visit: PhpED

 

4. Netbeans

NetBeans, the most widely used PHP IDE for PHP application development. This tool comes with all the rich features, which supports multiple languages. NetBeans was initially used for Java development, but the current version of this tool is lightweight, faster. It includes the extension to support other programming languages like C, C++, and HTML5. It supports developing large-scale web apps and supports various languages like Japanese, Russian, English, Brazilian Portuguese, and simplified Chinese. This open source PHP development tool can work with almost all popular PHP frameworks, including Zend, Symfony 2, CakePHP, FuelPHP, Smarty and WordPress CMS. NetBeans PHP IDE offers various features specific to developing web applications. Get php training in Kerala from Srishti campus.

 

NetBeans features:

  • Code Formatting & folding
  • Smart code completion
  • Getter Setter generation
  • Try/catch code completion
  • Syntax Highlighter

NetBeans Specialties:

  • Languages supported: PHP, JavaScript, C, C++, and HTML5
  • Platforms supported: Windows, MacOS, Linux, and Solaris
  • Visit: NetBeans

 

5. Cloud 9

Cloud9, an open source cloud IDE provides a development environment for hundreds of programming languages and PHP, C, C++, JavaScript, Python are the names a few. Developers can start coding immediately with pre-configured environments called workspace and build web applications with features like browser compatibility testing & live preview. They can collaborate with their colleagues using collaborative coding features. This PHP IDE enables you to take your PHP projects from anywhere. It offers a flawless experience for creating serverless apps, enabling you to define resources, execute serverless apps and debug at the remote. You can share your development environment with your peers and it enables you to pair program as well as track every real-time inputs. As Cloud9 ensures the effortless building of serverless application, you can just code with your browser. Php training 

 

Cloud9 Features:

  • Real-time language Analysis
  • Tabbed file Management
  • Integrated Debugger
  • Built-in image editor
  • Code reformatting

Cloud9 Specialties:

  • Languages supported: PHP, JavaScript, C, C++, and HTML5
  • Platforms supported: Windows, Mac OS, Linux, and Solaris
  • Visit: Cloud9

 

6. Aptana Studio

Aptana Studio, an open source PHP development tool used in integration with various server-side and client-side web technologies. PHP, Python, CSS3, Ruby on Rails, Ruby and HTML5 are some of these technologies. It supports the debuggers and command line interface to make it easier for PHP app development. It allows PHP programmers to build as well as test web applications in one environment. It comes with SFTP, FTP, and IDE customization. This powerful web development engine leverages the flexibilities of Eclipse and comprises details about the range of support for each element in the leading web browsers. Aptana Studio is a high-performance PHP IDE and includes a wide range of attractive features to increase your productivity.

 

Aptana Studio features:

  • Set breakpoints, control execution, inspect variables
  • Supports latest HTML5 specifications
  • Collaboration with peers via merge, pull & push actions
  • IDE Customization
  • Git Integration and Built-in terminal

Aptana Specialties:

  • Languages supported: PHP, JavaScript, Ajax, HTML and Ruby on Rails
  • Platforms supported: Windows, Linux, Mac OS X and Plugin for Eclipse
  • Visit: Aptana Studio

 

7. CodeLobster

CodeLobster IDE from Codelobster software firm is the most popular one among the PHP development tools for the developer community. It supports most of the PHP frameworks like Symfony, Laravel, CodeIgniter, CakePHP, Magento, Joomla, and Drupal. CodeLobster IDE streamlines as well as simplifies the development process. There is no need to remember the names of the arguments, functions, attributes, and tags - it has implemented all these with autocomplete features for HTML, JavaScript, PHP, and CSS. With its internal PHP debugger, you can validate your code locally. In addition, this PHP tool automatically detects the setting of the current servers and configures related files to make you use the free debugger. It also supports major CMS like Drupal, WordPress, Magento, and Joomla.

 

CodeLobster Feature

  • Syntax highlighting
  • SQL manager
  • Code validator
  • Autocompleting of keywords, DOM elements & their properties
  • Function Parameters Display

CodeLobster Specialties:

  • Languages supported: PHP, JavaScript, HTML and CSS
  • Platforms supported: Windows, Fedora, Linux, Ubuntu, Debian, Mac OS, Mint
  • Visit: CodeLobster

 

8. Sublime Text

Sublime Text is one of the leading text editors out there for PHP developers. However, it isn’t a quite IDE, with the installation of certain plugins/package; you can make it a suitable editor for developing PHP applications. This cross-platform source code editor natively supports several programming as well as markup languages. With its feature-rich functionalities and extraordinary designs, it makes the developer community consider the text editor as the best IDE for PHP development. Being leading customizable text editor with custom UI toolkit, it enables you to climb across the symbols, words or lines using appropriate key shortcuts. Moreover, you can make changes to any lines of your code.

 

Sublime Text Features

  • Split editing
  • Instant Project Switch
  • Better command palette
  • Distraction free mode
  • Plugin API

Sublime Text Specialties:

  • Languages supported: All popular languages
  • Platforms supported: Windows, Mac OS and Linux
  • Visit: Sublime Text

 

9. PHPDebugbar

PHPDebugbar is a PHP debugger that can run with any project and display data from a broad range of web apps. This PHP development tool includes two parts, namely: mainDebugBar object & data collectors and the render. A StandardDebugBar includes a pre-configured built-in set of collectors.

Along with PHP, you can also catch JavaScript and HTML bugs as well. In addition, PHPDebugbar can inspect CSS element, monitor network, and check your JavaScript code. By offering more features that developers expect, it becomes a quite impressive open source solution. It can be the best option for profiling of data from any web applications. It allows you to create your own collect or effortlessly for easy integration. Srishti campus povides best php course in Trivandrum, Kerala.

 

PHPDebugbar Feature

  • Monitor network traffic
  • Handles AJAX requests
  • Log & debug directly to Debugbar
  • Fast & easy to use interface
  • Preview config& application config

PHPDebugbar Specialties:        

  • Languages supported: PHP, Ruby, .Net and Java
  • PHP versions supported: PHP 5.5 & above
  • Visit: PHPDebugbar

 

10. Eclipse

When you digitally search about the best PHP development tools, most of your search results will have the Eclipse in their list. Being a completely development tool, it ranks in the list of top PHP tools. With the liberty to select from a broad range of plugin, it makes it easier to develop as well as simplify the complex PHP code. It also aids you to customize and extend the IDE to address the needs of the project. This PHP IDE can support both GUI and non-GUI applications. This cross-platform PHP editor is ideal for large-scale PHP projects. Srishti campus provides the best php training in Trivandrum.

 

Eclipse Feature

  • Syntax highlighting
  • Content assist
  • Code templates
  • Formatting of code
  • Code navigation

Eclipse Specialties:

  • Languages supported: ABAP, Ada, C, C++, Haskell, COBOL, D, JavaScript, Fortran, Java, Julia, Perl,Lua, NATURAL, PHP, Prolog, Ruby, Python, R, Lasso, Rust, Scala, Groovy, Scheme, Clojure, and Erlang
  • Platforms supported: Windows, Mac OS, Linux and Solaris
  • Visit: Eclipse