W3School TIY Editor
W3School 在线教程
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暗黑模式
val myNum: Int = 5 // Int val myDoubleNum: Double = 5.99 // Double val myLetter: Char = 'D' // Char val myBoolean: Boolean = true // Boolean val myText: String = "Hello" // String println(myNum) println(myDoubleNum) println(myLetter) println(myBoolean) println(myText)