Kotlin Basic TypesHere you will learn about kotlin basic types.
Data types are fundamental when it comes to any programming language, basically it tells the compiler the type of data it should expect in the defined variable.
It can be a string, bool, integer, float, double, char and many more. Lets discuss them one by one in detail.
Kotlin Basic Types
NumberThere are total 6 types that comes under number.
Some Examples to support the same:
val someInt = 553 //Integer val someLong = 43L //Long val someFloat = 314.43F //Float val someDouble = 425.78 //Double val someHexadecimal = 0x4F //Hexadecimal val someBinary = 01010101 //Binary (Base 2) val someByte: Byte = 10 //Byte
You can learn more about variables here.
val someInt: Int = 553
BooleanThe Boolean type can have two values, either true or false.
val someTrueBoolean = true val someFalseBoolean = false val a = 1 val b = 2 val find = a < b // variable find will contain true
StringStrings in kotlin are as simple as it sounds.
It is must to surround it via double quotes or a multiline string can be declared as shown below:
CharThe data type char, stores a single letter, number or a symbol.
Char is conceptually a fixed length, blank padded string.
Any trailing spaces is removed on input, and only restores on output.
The default length is 1.
The size of character variable is 1 byte.
ArrayArrays are defined by the arrayOf() operator: We can also define array that contain specific type of values using utility functions such as charArrayOf(), booleanArrayOf(), longArrayOf(), shortArrayOf(), byteArrayOf() and this can be done for all primitive datatypes.
We will discuss more about array in our later tutorials.
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