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