![]() ![]() Integer types store whole numbers, positive or negative (such as 123 or -456), without decimals. Number types are divided into two groups: Numbers in Kotlin are similar to Python, but not exactly the same. We shall also learn about strings, arrays, ranges and collections in this tutorial. All single characters are strings with length one. The above is quite similar compared to Python language with an exception of character. Val myNum = 5 // Int ->representing Numbers val myDoubleNum = 5.99 // Double val myLetterCharacter = 'H' // Char val myBoolean = true // Boolean val myText = "Hello" // String The most fundamental data type in Kotlin is the Primitive data type and all others are reference types like arrays and strings. However, there might be some special cases where you want a specific data type may be from the user or so. Other languages can automatically assign a variable's data type when the initial data is entered into the variable.Īs we saw in the previous article, we may not need to assign the data type since Kotlin is smart enough to identify it for us. Some programming languages require the programmer to define the data type of a variable before assigning it a value. Therefore, a better definition of a data type is a data storage format that can contain a specific type or range of values according to Tech Terms. Of course, that is rather a circular definition, and also not very helpful.
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