dushicai's blog

Posted 2023-05-16Updated 2023-07-14language / kotlin2 minutes read (About 345 words)

CLASSES

Constructor Call

Java

1	final File file = new File("file.txt");

Kotlin

1	val file = File("file.txt")

Class

Java

1 2	public final class User { }

Kotlin

1	class User

Posted 2023-05-16Updated 2023-07-14language / kotlin3 minutes read (About 419 words)

FUNCTIONS

Basic Function

Java

1
2
3

public void hello() {
  System.out.print("Hello, World!");
}

Kotlin

1
2
3

fun hello() {
    println("Hello, World!")
}

Arguments

Java

1
2
3

public void hello(String name){
  System.out.print("Hello, " + name + "!");
}

Kotlin

1
2
3

fun hello(name: String) {
    println("Hello, $name!")
}

Posted 2023-05-16Updated 2023-07-14language / kotlin5 minutes read (About 680 words)

Java

1 2	System.out.print("Hello, World!"); System.out.println("Hello, World!");

Kotlins

1 2	print("Hello, World!") println("Hello, World!")