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Difference between Kotlin vs Java
|Developed By||Kotlin was developed by JetBrains. |
Andrey Breslav was team leader of project
Kotlin. Initial version of Kotlin
was released in the 2016.
|Java was developed by Sun Microsystems |
which was later acquired by Oracle Corporation.
James Gosling was the lead developer of Java.
Initial version of Java was released in the year 1995.
|Code Size||In Kotlin, we have to write 30-40% |
less code when compared to Java.
|In Java, we have to write more|
code when compared to Kotlin.
|Null Safety||Kotlin does not have null pointer|
exception problem. Some various ways are
provided to deal with this exception.
|NullPointerException is most common|
problem in Java which is occurred
when we try to access a member
having null reference.
|Checked Exception||It doesn’t have checked |
|It have checked exception |
|Operator Overloading||Kotlin allows operator overloading.|
Programmer can define the operators
working according to need.
|Java doesn’t support operator |
|Use of Semicolon||It is optional to write semicolon|
at the end of statements.
|In Java each statement must be |
terminated by semicolon.
|App Size||Android app built with Kotlin has|
more size because it contains Kotlin as
well as Java libraries. Also Gradle build time
slower for Kotlin as compared to
|Android app built with Java |
has less size when compared to
Kotlin. Gradle build time for Java
is little faster when compared to Kotlin.
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