Why do I need Java technology, and what is it? Sun Microsystems introduced Java, a programming language and computing platform, in 1995. It has grown from its modest origins to power a significant portion of today’s digital world by offering the solid foundation upon which numerous services and applications are developed. Java is still used in cutting-edge goods and digital services being developed for the future.
Although most current Java applications integrate the Java runtime with the application, there are still plenty of programs and even certain websites that require a desktop Java installation to work. This website, Java.com, is made for users who might still need Java for desktop programs, particularly those that support Java 8. Instead of dev.java, users and developers who want to study Java programming should go to oracle.com/java, while business users should do the same.
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Java Characteristics
Object-oriented: Everything is an object in Java. Java’s foundation in the Object model makes it simple to extend.
Platform Unrelated: Java is compiled into platform-independent byte code rather than platform-specific machine code, unlike many other programming languages like C and C++. The Virtual Machine (JVM) on the platform it runs on interprets this byte of code distributed around the internet.
Simple: Java is made to be simple to learn. It would be simple to grasp OOP Java if you understood the fundamentals.
Secure: Java’s specific feature makes it possible to create virus- and hacker-free systems. Public-key encryption serves as the foundation for authentication methods.
Architecture-neutral: When the Java runtime system is present, the Java compiler creates an architecture-neutral object file format that allows the produced code to be run on various processors.
Portable: Java is portable because it is architecture-neutral and lacks implementation-dependent features in the standard. The Java compiler is written in ANSI C, a subset of POSIX, with a clean portability border.
Robust: Java focuses on compiling time error checking and runtime checking to eliminate circumstances prone to mistakes.
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Multithreaded: Java’s multithreaded functionality makes it easy to create programs that can carry out various activities at once. The designers can create interactive applications that function well thanks to this design element.
Interpreted: Java byte code is not saved anywhere and is converted instantly to native machine instructions. Due to the progressive and lightweight nature of connecting, the development process is more brisk and analytical.
Superior Performance: High performance is made possible by Java’s Just-In-Time compilers.
Distributed: Java is intended for the dispersed internet environment.
Dynamic: Java is thought to be more emotional than C or C++ since it was made to change with the environment. Runtime accesses to objects can be verified and resolved using the considerable runtime information that Java programs are capable of carrying.
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Java Platform
The Java Platform is a group of applications that aid developers in creating and executing Java programming applications quickly. It has a compiler, an execution engine, and several libraries. It consists of a set of requirements and computer software. The Java platform was created by James Gosling at Sun Microsystems and eventually purchased by Oracle Corporation.
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Java Used For:
- It is used for developing Android Apps
- Helps you to create Enterprise Software
- Wide range of Mobile Java Applications
- Scientific Computing Applications
- Use for Big Data Analytics
- Java Programming of Hardware devices
- Used for Server-Side Technologies like Apache, JBoss, GlassFish, etc.
Java Programming Language History
The following are significant dates in the Java language’s past:
- OAK was the early name of the Java programming language.
- It was initially designed to handle portable electronics and set-top boxes. A colossal failure, Oak.
- Sun changed the name to “Java” in 1995 and made changes to the language to capitalize on the expanding www (World Wide Web) development market.
- Oracle Corporation later acquired Sun Microsystems in 2009, and as a result, three important Sun software assets—Java, MySQL, and Solaris—became part of Oracle’s portfolio.
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Java Windows 10 Download Install
Install Java on your Windows machine by starting the installation process after downloading the installation file. The steps are as follows:
Step 1: Start The Downloaded File
To begin the installation, double-click the downloaded file.
Step 2: Configure The Installation Wizard
The installation wizard welcome screen appears when the installation file is run.
- To move on to the next step, click Next.
- You can either select a location for the Java installation files or use the default path. The next step is to click.
- Till the message “Successfully Installed” displays, wait for the wizard to complete the installation procedure. To close the wizard, click Close.
Java Environment Variables Set
To enable program compilation from any directory, set the Java environment variables. Follow these steps to do that:
Step 1: Add Java To System Variables
- Search for environment variables in the Start menu.
- Choose the option to edit the system environment variables.
- Click Environment Variables on the Advanced tab of the System Properties window.
- Select the Path variable under the System variables heading, then click Edit.
- Enter the path to the Java bin directory by selecting the New button.
- To save the changes and close the variable editing window, click OK.
Step 2: Add JAVA_HOME Variable
Some programs require the JAVA HOME variable. To construct the variable, adhere to the instructions listed below:
- Click the New… button to add a new variable in the Environment Variables window’s System variables category.
- Put JAVA HOME in the variable’s name.
- Paste the path to your Java JDK directory in the variable value field, then click OK.
- Click OK to accept the changes in the Environment Variables and System Properties windows.
Test The Java Installation
To ensure that Java was installed correctly, run the java -version command on the command prompt. Upon successful installation, the tool returns the Java version. By creating a straightforward program and compiling it, make sure everything functions.
The steps are as follows:
Step 1: Write A Test Java Script
- Create a new file in a text editor like Notepad++.
- Click Save after adding the following lines of code.
- Save the file with a name and the extension *.java.
Step 2: Compile The Test Java Script
- Change the directory to the file’s location in the command prompt and use the following syntax to compile the program.
- Run the program using the syntax.
The output shows the Hello world! The message indicates that the program functions properly. Message.
Conclusion
The Java Development Kit for Windows was installed using the instructions in this tutorial. Read our list of the top 13 Java IDEs for developing, debugging, and testing Java code if you want to learn more about Java.
