Overview
Kotlin
Kotlin is a cross-platform, general-purpose
high-level programming language with type inference developed by JetBrains. Its
first official release was in February 2016. Kotlin is designed to work fully with Java. JVM version of Kotlin has its standard library
that depends on the Java Class Library, but it allows its syntax to be more concise.
Kotlin mainly targets the JVM, but also compiles to JavaScript (e.g., for
frontend web applications using React). On 7 May 2019, Google announced that
the Kotlin programming language was now its preferred language for Android app
developers.
Java
Java is a high-level,
class-based, object-oriented programming language that is designed to have as
few implementation dependencies as possible. Java was originally developed by
James Gosling at Sun Microsystems, but it is now owned by Oracle. It is a
general-purpose programming language intended to let programmers write once,
run anywhere, i.e., compiled Java code can run on all platforms that support
Java without the need to recompile. The Java language is a key pillar in
Android. The Android SDK uses the Java language as the basis for Android
applications but does not use any of its standard GUI, SE, ME or other
established Java standards.
Comparison
·
Syntax
Kotlin has a more concise syntax than Java, which means that it requires less code to perform the same operations.
Kotlin
supports type inference, which means that you do not have to specify the data type of the variable explicitly, whereas in Java you are required to specify the
data type of the variable.
//Kotlin
val x = "Hello world!"
//Java
Stringx
="Hello world!";
·
Exception control
Kotlin's null
safety feature can help reduce the number of runtime exceptions and improve the
overall performance of the application. And Kotlin's use of immutable data
structures can also lead to improved performance. In Java, it’s possible to
assign a null value to a variable, which may lead to a NullPointerException
at runtime.
·
Use of ‘data’ keyword
Java uses
getter/setters, constructors’ functions for fields/variables and other
functions in Java, whereas in Kotlin it simplifies the process of creating data
classes by just using the keyword ‘data’ in class definition.
·
OOP and Functional Programming
Java is
limited to object-oriented programming, Kotlin combines that with features of
functional programming as well.
·
Multithreading
Both languages
enable the creation of multiple background threads to handle lengthy operations.
This task is complex in Java, whereas Kotlin has a straightforward solution.
·
Android development
Kotlin has
better support for Android development than Java does.
Conclusion
Java has been
used for years, is easy to learn, and has a large community of developers who
can offer help. Kotlin is a newer language which is not as popular as Java yet,
but it has a lot of advantages over Java language. Both Java and Kotlin are popular
programming languages that are often used for Android development, with their
own strengths and weaknesses. When it comes to selecting the right language, it
depends on the programmer.
-
Ananya R Upadhya
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