Object-oriented programming languages such as Java and Kotlin are both available. However, they serve various objectives. Android applications are written in Kotlin, whereas enterprise applications are written in Java. James Gosling and his colleagues at SUN MICROSYSTEMS created JAVA in 1991, an object-oriented programming language.
Java vs Kotlin
The main difference between java and Kotlin is that java, founded by James Gosling in 1991, has Wildcard types available and uses static members. On the other hand, Kotlin, founded by JetBrains in 2011, has smart cast and null safety available and does not support static members.
Java is Android’s native programming language, and it’s used by all applications that interact directly with the operating system and its hardware. This language may be used to create any form of application and can run on practically any operating system, including Linux, Windows, and Android. There are Microservices in Java, which `were originally designed by Sun Microsystems (now owned by Oracle).
Kotlin is a Java- and Android-specific language. Object-oriented and functional programming characteristics may be combined by using the JVM and Android. The standard library of Kotlin is completely dependent on the Java class library. It emphasized security, simplicity, and compatibility. The combination of Kotlin with Java decreases the amount of boilerplate code, which is beneficial to Android developers. Binaries are created from the Kotlin source code.
Comparison Table Between Java and Kotlin
What is Java?
In 1995, Java, an object-oriented programming language, was introduced to the public. In the early 1990s, Sun Microsystems, which Oracle subsequently bought, began developing Java. As a workaround, we can employ Java applets contained in a plugin that is not recommended.
As a result, standalone apps and back-end development are the primary uses of Java. OpenJDK, the primary Java implementation, was created by James Gosling. As Android itself is built in Java, Java is the main choice for most Android app developers.
The object-oriented, network-oriented, and cross-platform nature of Java make it an ideal choice for web development. It is one of the most widely used forms of computer programming. Since its first release by Sun Microsystems in 1995, it has been widely used as a computer platform. Oracle Corporation eventually bought it out.
Java instructions cannot destroy OS X memory or jeopardize data from other apps because of its strong coding. Modular programs may be easily created by reusing components in Java because of their object-oriented nature.
A lot of third-party code is already ready to go when you utilize it with Java. If you’re comparing the performance of Kotlin and other languages, you’ll find that Java is far easier to compile, debug, and deploy than Kotlin.
It’s safe to use Java since many of its libraries are maintained by well-known firms like Google, Apache, and others. Java’s grammar is a bit more difficult or tedious than other programming languages, such as C++ or Python, when compared.
Accessing material that is incompatible with the device or equipment you’re using is impossible while using Java. Java’s mobile features might be difficult to reach. Java can sometimes cause issues with the design of Android APIs.
What is Kotlin?
IDE Jet Brains programmers have created a new programming language called Kotlin, which has several cutting-edge features. As of 2016, it is a free and open-source language that originally surfaced in 2011. Kotlin can also be built to run on iOS in the form of native code or as JavaScript or Android code.
There is no learning curve for Kotlin compared to other Java-compatible languages. Installing a Plugin is all that’s required to make the switch from Java to Kotlin. Official support for Kotlin in Android apps was revealed at Google I/keynote.
The Java Virtual Machine supports the open-source programming language Kotlin (JVM). The language is portable across a wide range of operating systems. Unrestricted, self-sufficient, and separate from other platforms, this language blends OOPs with functional programming.
Type inference allows KOTLIN’s syntax to be more concise while still fully interoperating with Java. KOTLIN is supported by the Kotlin Foundation, a collaboration between JetBrains and Google.
With Kotlin Application Deployment, you may create smaller, faster-compiling apps. Because Kotlin is less verbose than Java, it produces smaller chunks of code with fewer errors.
The bytecode generated by Kotlin may be run on the JVM. Consequently, all Java libraries and frameworks may be used in a Kotlin project. To set up Android Studio projects for auto-completion assistance and to decrease the identification of compile-time errors, a Kotlin script may be used.
Switching teams to Kotlin may be a great difficulty because of the language’s compact syntax and the high learning curve. Kotlin developers are few in the marketplace. A mentor with much expertise might be difficult to come by.
Main Differences Between Java and Kotlin
- Java was developed by James Gosling, and Kotlin was developed by JetBrains.
- Java was developed in 1991, and Kotlin was developed on 22nd July 2011.
- Null safety and Smart cast are not available in Java but are in Kotlin.
- Wildcard types are available in Java but not in Kotlin.
- The type of system of Java includes reference types that are related to the basic concept of class. The type systems of Kotlin include universal guards, nullability support, etc.
- Java needs to create several different classes for extension functions, whereas Kotlin already has extension functions available.
- Java uses static members, whereas Kotlin doesn’t support it.
- The variables of a primitive type are objects in Java and aren’t objects in Kotlin.
- Java supports programming concepts like OOPS, while Kotlin supports programming concepts like higher-order functions, delegates, etc.
Conclusion
Kotlin is the clear winner when it comes to Java compatibility, especially when dealing with Null Pointer Exceptions. As the Android operating system is built on the Java language, Kotlin is becoming more popular as a programming language for Android development/
The rapid emergence of Kotlin as a new programming language for Android app development means that programmers now have more options than ever to experiment with cutting-edge programming techniques.
References
- https://dl.acm.org/doi/abs/10.1145/3267183.3267186
- https://ieeexplore.ieee.org/abstract/document/8994896/