Hello world!

11/12/2020

始まりはいつもHello world!から。

Java

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public class Main {
public static void main(String[] args) {
System.out.println("Hello World!");
}
}
public class Main { public static void main(String[] args) { System.out.println("Hello World!"); } }
public class Main {
    public static void main(String[] args) {
        System.out.println("Hello World!");
    }
}

Kotlin

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fun main(args: Array<String>) {
println("Hello World!")
}
fun main(args: Array<String>) { println("Hello World!") }
fun main(args: Array<String>) {
    println("Hello World!")
}

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