[lang] kotlin 시작히기

[heowc]

• Reference: https://kotlinlang.org/docs/reference/
• 최범균님이 한글로 번역해주신 1.1, 1.2 pdf: https://javacan.tistory.com/entry/kotlin-11-12-ko-reference

[heowc]

public class Constants {
    public static final String FOO = "foo";
}
// Constants.FOO

class Constants {
    companion object {
        const val FOO = "foo" 
    }
}
// Constants.FOO

[heowc]

default constructor support

• https://kotlinlang.org/docs/reference/compiler-plugins.html#jpa-support

[heowc]

mainClass 지정시, postfix로 Kt를 붙여야함.

• ex) HelloApplication.kt -> HelloApplicationKt.class 로 변환됨