James Gosling created JAVA at Sun Microsystems Inc. in 1995. Oracle Corporation eventually purchased Sun Microsystems Inc. The programming language is straightforward, and programming is simple to write, compile, and debug with Java. It supports the development of modular programs and reusable code. Java is an object-oriented, class-based programming language that is intended to have a minimal amount of implementation dependencies. A compiled general-purpose programming language designed for developers to write once and run anywhere. All platforms that support Java can run Java code. Java applications are compiled to create byte code that can be executed on any Java Virtual Machine. Java’s syntax is comparable to that of C/C++.But Java came in the existence because c++ was not feasible for client-server applications.
Java is an object-oriented, class-based, general-purpose programming language created to have fewer implementation dependencies. It helps the development of modular programs and reusable code. Java is quick, safe, and trustworthy programming language designed for developers to write once and run anywhere. Platforms that support Java can easily run Java code without any hassle. It is commonly used to create Java applications for smartphones, game consoles, laptops, data centers, and other devices.
Primary Features of Java
- Platform-Independent: The JVM runs the bytecode that the compiler created after converting the source code to bytes. This means that if we develop a program on Windows, we can execute it on Linux, and vice versa. The virtual machine handles the bytecode variations for the various platforms. Java consequently has very low run-time needs. No code must be interpreted for various hardware configurations because the Java virtual machine takes care of all hardware-related difficulties. Each operating system uses a separate JVM, and all systems yield the same results after executing the bytecode – Java is a platform-independent language for this reason.
- Simple: Java is easy to learn, and its syntax is clear and concise. It is one of the simpler programming languages as it lacks features like pointers, operator overloading, multiple inheritances, and explicit memory allocation.
- Reliable: Java is a robust and dependable language. Java’s design prioritizes error detection quite early. The Java compiler can identify errors that are difficult for other programming languages to spot. Java’s robustness components are garbage collection, exception handling, and memory allocation.
- Portable: Java code created on one system can execute and work on another. Java is platform-independent, allowing its platform-independent bytecode to run on any platform.
- High performance: Java’s architecture lowers runtime overhead at times. It uses a Just In Time (JIT) compiler to develop code on-demand, yielding just the methods called, allowing programs to operate faster.
Applications of Java
- Mobile Applications: Java is a cross-platform development environment used to create apps that work on smartphones and other small-screen gadgets. Java is compatible with software like Kotlin and Android Studio. Java Platform, Micro Edition (alternately called Java ME or J2ME) functions as a cross-platform framework for building applications that supports all Java-support devices. Popular mobile applications like Twitter, Netflix, Spotify, and others are built on Java.
- Web Applications: Java’s capacity to communicate with many systems makes it ideal for creating web applications. It enables the development of interactive, dynamic web applications. JSP, web servers, spring, and Hibernate make constructing websites feasible.
- Spring Framework: The Spring Framework offers a complete programming and configuration architecture for modern Java-based enterprise applications on any deployment platform. Spring is a lightweight framework that supports numerous other frameworks, like Struts, Hibernate, Tapestry, EJB, JSF, etc. To create enterprise applications, it uses several novel approaches, including dependency injection (DI), aspect-oriented programming (AOP), and plain old Java objects (POJO).
- Artificial Intelligence: Java is a top language for AI projects. It has intelligent software integrated into its infrastructure to improve AI programming. Since algorithms and artificial intelligence are closely related, Java can code several algorithms in AI programming. Although Java’s automation and machine learning capabilities alter how you utilize technology in the workplace, it provides the most cutting-edge features for creating intelligent goods and services.
- Desktop GUI Applications: Java allows for faultless desktop application design. APIs like Swing, Abstract Windowing Toolkit (AWT), and JavaFX offer a contemporary method for creating GUI applications. Java’s use in desktop programs has many incredible advantages, like quick learning curves, visual feedback, simultaneous display of numerous instances, and many more.
- Gaming applications: Java is one of the preferred choices for game development. Java is used to create well-known video games, including Mission Impossible III, Minecraft, and Asphalt 6. It supports the Dalvik Virtual Machine and jMonkeyEngine, to create 2D and 3D Android games.
Disadvantages of Java
- The software runs rather slowly because of the JIT compiler.
- Java does not support unsigned int, unsigned char like C/C++C/C++ programs run substantially faster than Java programs.
- Java requires a significant amount of processing power and memory. Hardware prices consequently rise.
- Does not support low-level programming constructs such as pointers.
Businesses that use Java –
- Numerous Google products, such as the Web Toolkit, Android-based apps, and Gmail, use Java.
- Uber was built on the platform.
- Twitter uses Java to provide a digital fluid interface.
- Airbnb uses Java for its backend processes.
- NASA uses Java for its maintenance and observation software,
- Spotify uses Java as a backend language.
- Tesla prefers candidates with a working knowledge of Java for employment.
Compiles v.s. Interpreted
Compiled languages, like Java, optimize and turn scribbles into byte code that can later be read by the Java Virtual Machine (JVM) while checking the entire project’s code. It detects a good number of syntactical mistakes and notifies programmers of them during compilation. A lot of compiled languages also address the issue of intellectual property security. Java compilation does not, by default, secure your code against decompilation, but there are steps you may take to safeguard your output described in numerous online resources.
The performance hit caused by interpretation is minimal because of the interpreters’ increased speed and strength. There needs to be a suitable solution to make your code both executable and inaccessible in protecting intellectual property. The interpreter must be able to read your code when it is being executed, which is the basis for this requirement. Obfuscation software can make it look like a complete jumble by removing all spaces, carriage returns, and tabs, but ultimately it must retain many of the original components.
Java has a solution for functional programming of its own. In Java 1.8 (“Java 8”), lambdas provide a potent way to filter and modify data collections. However, lambdas’ use is primarily limited to data processing and does not extend beyond that.
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Tricia Pearson is an experienced writer at Net Solutions with five years of domain experience across marketing, Tech, and B2B solutions. She works to inspire creativity and encourages team members to bring their best to each project. Tricia thrives in competitive teams and gets satisfaction from late-night writing sprints. She prefers reading by the beach, hiking, and discovering new local cafes during her downtime.