Java vs .Net | Difference

Differences between Java and .NET

Java vs .Net are both object-oriented programming languages. They are similar in many ways, but they have some major differences. They are as discussed below:

• Java is an interpreted language, while .NET is a compiled language. This means that Java has to run on the JVM (Java Virtual Machine) which interprets the source code before it runs, while .NET compiles its source code into machine code before it runs.
• Java has a strict typing system, while .NET has an open-type system that allows developers to define their types by inheriting from existing ones or by creating new ones from scratch. This makes it easy for developers to use a single language to program in different applications while still retaining the benefits of object-oriented programming.
• Java uses class inheritance, while .NET uses interfaces and structures to achieve similar results. In addition, Java uses dynamic typing where types can change at runtime depending on values passed into methods as opposed to only having static types in C++/C# (where all variables must have a fixed type). This leads to more flexibility when compared with C++/C# where all variables must have a fixed type before being used within
• Another major difference between Java vs .NET is that Java is more of a “programming language” while .NET is more of a “toolkit” or “platform.” Due to this difference, Java has been able to achieve greater success in the enterprise space while .NET has been more popular in the consumer space (where it was first developed). Java is said to be one of the most versatile programming languages available. Developers can use it to create almost anything they want such as web and mobile applications, desktop applications, server-side applications, and many more.
• Java is also known as “The Platform”. It has its virtual machine or runtime environment. This environment runs on all platforms including Linux, Windows, and Mac OS X. On the other hand, .Net is a large collection of languages that can be used to develop applications in business areas such as enterprise resource planning (ERP), customer relationship management (CRM), e-commerce, healthcare, high availability systems, etc. It was Microsoft that developed this framework and later made it open-source.

 

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How to Install OpenJDK 11 on CentOS 8

What is OpenJDK?

OpenJDk or Open Java Development Kit is a free, open-source framework of the Java Platform, Standard Edition (or Java SE). It contains the virtual machine, the Java Class Library, and the Java compiler. The difference between the Oracle OpenJDK and Oracle JDK is that OpenJDK is a source code reference point for the open-source model. Simultaneously, the Oracle JDK is a continuation or advanced model of the OpenJDK, which is not open source and requires a license to use.

In this article, we will be installing OpenJDK on Centos 8.

#tutorials #alternatives #centos #centos 8 #configuration #dnf #frameworks #java #java development kit #java ee #java environment variables #java framework #java jdk #java jre #java platform #java sdk #java se #jdk #jre #open java development kit #open source #openjdk #openjdk 11 #openjdk 8 #openjdk runtime environment

jQuery Ajax CRUD in ASP.NET Core MVC with Modal Popup

In this article, we’ll discuss how to use jQuery Ajax for ASP.NET Core MVC CRUD Operations using Bootstrap Modal. With jQuery Ajax, we can make HTTP request to controller action methods without reloading the entire page, like a single page application.

To demonstrate CRUD operations – insert, update, delete and retrieve, the project will be dealing with details of a normal bank transaction. GitHub repository for this demo project : https://bit.ly/33KTJAu.

Sub-topics discussed :

• Form design for insert and update operation.
• Display forms in modal popup dialog.
• Form post using jQuery Ajax.
• Implement MVC CRUD operations with jQuery Ajax.
• Loading spinner in .NET Core MVC.
• Prevent direct access to MVC action method.

Create ASP.NET Core MVC Project

In Visual Studio 2019, Go to File > New > Project (Ctrl + Shift + N).

From new project window, Select Asp.Net Core Web Application_._

Once you provide the project name and location. Select Web Application(Model-View-Controller) and uncheck HTTPS Configuration. Above steps will create a brand new ASP.NET Core MVC project.

Setup a Database

Let’s create a database for this application using Entity Framework Core. For that we’ve to install corresponding NuGet Packages. Right click on project from solution explorer, select Manage NuGet Packages_,_ From browse tab, install following 3 packages.

Now let’s define DB model class file – /Models/TransactionModel.cs.

public class TransactionModel
{
    [Key]
    public int TransactionId { get; set; }

    [Column(TypeName ="nvarchar(12)")]
    [DisplayName("Account Number")]
    [Required(ErrorMessage ="This Field is required.")]
    [MaxLength(12,ErrorMessage ="Maximum 12 characters only")]
    public string AccountNumber { get; set; }

    [Column(TypeName ="nvarchar(100)")]
    [DisplayName("Beneficiary Name")]
    [Required(ErrorMessage = "This Field is required.")]
    public string BeneficiaryName { get; set; }

    [Column(TypeName ="nvarchar(100)")]
    [DisplayName("Bank Name")]
    [Required(ErrorMessage = "This Field is required.")]
    public string BankName { get; set; }

    [Column(TypeName ="nvarchar(11)")]
    [DisplayName("SWIFT Code")]
    [Required(ErrorMessage = "This Field is required.")]
    [MaxLength(11)]
    public string SWIFTCode { get; set; }

    [DisplayName("Amount")]
    [Required(ErrorMessage = "This Field is required.")]
    public int Amount { get; set; }

    [DisplayFormat(DataFormatString = "{0:MM/dd/yyyy}")]
    public DateTime Date { get; set; }
}

C#Copy

Here we’ve defined model properties for the transaction with proper validation. Now let’s define  DbContextclass for EF Core.

#asp.net core article #asp.net core #add loading spinner in asp.net core #asp.net core crud without reloading #asp.net core jquery ajax form #asp.net core modal dialog #asp.net core mvc crud using jquery ajax #asp.net core mvc with jquery and ajax #asp.net core popup window #bootstrap modal popup in asp.net core mvc. bootstrap modal popup in asp.net core #delete and viewall in asp.net core #jquery ajax - insert #jquery ajax form post #modal popup dialog in asp.net core #no direct access action method #update #validation in modal popup

Going Beyond Java 8: Local Variable Type Inference (var) - DZone Java

According to some surveys, such as JetBrains’s great survey, Java 8 is currently the most used version of Java, despite being a 2014 release.

What you are reading is one in a series of articles titled ‘Going beyond Java 8,’ inspired by the contents of my book, Java for Aliens. These articles will guide you step-by-step through the most important features introduced to the language, starting from version 9. The aim is to make you aware of how important it is to move forward from Java 8, explaining the enormous advantages that the latest versions of the language offer.

In this article, we will talk about the most important new feature introduced with Java 10. Officially called local variable type inference, this feature is better known as the **introduction of the word **var. Despite the complicated name, it is actually quite a simple feature to use. However, some observations need to be made before we can see the impact that the introduction of the word var has on other pre-existing characteristics.

#java #java 11 #java 10 #java 12 #var #java 14 #java 13 #java 15 #verbosity

C++ Vs Java: Difference Between C++ & Java [2021]

Object-oriented programming (OOP) is a computer programming principle that focuses on building the software design around “objects” instead of logic or function. An object refers to a data field possessing unique attributes (characteristics). Essentially, OOP places more emphasis on the manipulation of objects rather than the logic behind the manipulation.

Even though C++ and Java are both object-oriented programming languages, they are quite different from each other. For instance, C++ draws inspiration heavily from the C programming language and is designed for system development. However, Java is based on a secure and portable virtual machine and is explicitly built for application programming and network computing.

In this blog, we’ll dive deeper into the C++ vs. Java debate and learn more about the difference between C++ and Java.

#c++ #c++ vs java #comparison #difference between c++ and java #java

C++ Vs Java: Difference Between C++ & Java [2021]

Object-oriented programming (OOP) is a computer programming principle that focuses on building the software design around “objects” instead of logic or function. An object refers to a data field possessing unique attributes (characteristics). Essentially, OOP places more emphasis on the manipulation of objects rather than the logic behind the manipulation.

Even though C++ and Java are both object-oriented programming languages, they are quite different from each other. For instance, C++ draws inspiration heavily from the C programming language and is designed for system development. However, Java is based on a secure and portable virtual machine and is explicitly built for application programming and network computing.

In this blog, we’ll dive deeper into the C++ vs. Java debate and learn more about the difference between C++ and Java.

#full stack development #c++ #c++ vs java #comparison #difference between c++ and java #java