The Kotlin standard library contains a lot of helper functions on top of the Java standard library for our convenience. Data Type Bits Min Value Max Value; byte: 8 bits-128: 127: short: 16 bits-32768: 32767: int: 32 bits-2147483648: 2147483647: long: 64 bits-9223372036854775808: 9223372036854775807: Let’s … Such an operation is especially useful in situations where you may need to break a string into a substring or divide a string into different parts. A float is a 32-bit number in Kotlin. A float is a 32-bit number in Kotlin. List: listOf; Map:mapOf; Set: setOf; And mutable collections. But how do we accomplish the same with a Char? Kotlin for Data Science. A numeric literal is an object too, so you use particular formats to specify a numeric literal value depending on the type you want. fun CharSequence.reduceRightIndexed( operation: (index: Int, Char, acc: Char) -> Char ): Char. Kotlin; Kotlin Char to Int (ASCII) and Int to Char April 8, 2019. kotlin val ascii = 'A'.toInt() // 65 var char = ascii.toChar() // A ️ Is this article helpful? And, the ASCII value of uppercase alphabets are from 65 to 90. Definition. For example, if the array is ['a','b','c','d','e'], we may need to convert it to string abcde or a-b-c-d-e etc. Binaries Output: Type of num is Int It will throw NumberFormatException if the String can’t be converted to int. int number = Integer.parseInt(cs. However, Kotlin will autobox the primitive values to their corresponding object wrapper classes which will have detrimental performance implications. An integer value can not be assigned to long data type. For example, the String.toInt() function converts a number formatted as String to its Int representation. In your loop, value is a Char, and toInt() on Char returns its character number. Convert String to Integer in Kotlin. The compiler knows this by initializer expression ("French" is a String, and 95 is an integer value in the above … You can declare a variable in Kotlin using var and valkeywords. It’s based on Java, and Kotlin code works in JVM. executing this code above, this is the printed numbers. In this tutorial we will learn how to do type conversion in Kotlin.. your coworkers to find and share information. Kotlin does it for type safety to avoid surprises. Java needs to use wrappers (java.lang.Integer) for primitive data types to behave like objects but Kotlin already has all data types as objects. Any decimal number without mentioning the number type is a double number. An integer value can not be assigned to long data type. Utility Functions for Kotlin Array. List: ArrayList, arrayListOf, mutableListOf; Map:HashMap, hashMapOf, mutableMapOf; Set: mutableSetOf, hashSetOf; … Strings are immutable in Kotlin. In kotlin this doesn’t happen out of the box, instead, you must use the method toInt() to do the conversion. Characters represent a single letter or number and pretty much any symbol you can find in the ASCII table. Podcast 305: What does it mean to be a “senior” software engineer. The fact that you can see the Array uses generics should highlight that it is not a primitive array. Asking for help, clarification, or responding to other answers. This article explores different ways to replace a character at a specific index in a Kotlin string. val number1: Int = 55 val number2: Long = number1.toLong() Here's a list of functions in Kotlin used for type conversion: toByte() toShort() toInt() toLong() toFloat() toDouble() toChar() Note, there is no … Double number is tagged with "d" or "D" val num1: Int = 101 val num2: Long = num1.toLong() More functions for type conversion in Kotlin. Join Stack Overflow to learn, share knowledge, and build your career. Definition. Following are the basic datatypes supported: Numbers. Kotlin for Server Side. Kotlin tutorial : Character in kotlin and functions of Character class. Sometimes we need to convert one character array to a String. NOTE: The first entry in the pair is always key and the second entry is value. E.g ,,, etc. Note that Kotlin may represent basic types like Int, Char, Boolean etc. Pixtory App (Alpha) - easily organize photos on your phone into a blog. ... Returns a list containing successive accumulation values generated by applying operation from left to right to each character, its index in the original char sequence and current accumulator value that starts with the first character of this char sequence. Related posts: – Kotlin Convert String to Long Working environment: – Java 8 – Kotlin 1.1.61 ContentsKotlin toInt() methodString.toInt(): IntString.toInt(radix: Int): IntKotlin toIntOrNull() methodString.toIntOrNull(): Int?String.toIntOrNull(radix: Int): Int? Kotlin needs to provide you with the equivalent of Java’s primitive arrays. Kotlin String to Int array, Fortunately I've been able to make it work, so I'll leave it here for future reference val result = "[1,2,3,4,5]".removeSurrounding("[", "]").split(" Convert String to Integer in Kotlin. What is primary constructor and secondary constructor in Kotlin. 1. Of course, if we want we can restrict the arrays to hold the values of particular data types. Kotlin toInt() method String.toInt(): Int – use method signature: … This situation is somewhat unique to arrays. An integer value can be assigned to long data type. (similar to what Double.toInt() or Long.toInt() also does): To perform the conversion in the way we want, similar to String.toInt(), data type value to print to the console. We have recently published 100+ articles on android tutorials with kotlin and java. Example: Input: string = "Hello includehelp how are you !!" How does print method work in kotlin? As an… In the tutorial, JavaSampleApproach will show you how to convert Kotlin String to Int. In this article, we will see how to convert int to String in Kotlin. Kotlin String with introduction, architecture, class, object, inheritance, interface, generics, delegation, functions, mixing java and kotlin, java vs kotlin etc. This article explores different ways to replace a character at a specific index in a Kotlin string. In java, one type is automatically converted to other type (in some cases), In Kotlin we need to explicitly convert the type. import kotlin.experimental.and import java.nio.ByteBuffer // 8バイトの配列をLong型に変換します。 fun byteArrayToLong (byteArray: ByteArray): Long {var result: Long = 0 for (i in 0.. 7) {result = result shl 8 result = result or (byteArray [i] and 0xFF. lastIndexOfAny ( chars: CharArray, startIndex: Int = lastIndex, ignoreCase: Boolean = false): Int Finds the index of the last occurrence of any of the specified strings in this char sequence, … What is the equivalent of Java static methods in Kotlin? ... An empty range of values of type Char. In Kotlin, everything is an object, which means we can call member function and properties on any variable. Output: 1 3 5 7 9 10 7 4 1 Kotlin range iterator. If you can't, do send some to @d_luaz or help to share this article. Now we will discuss about basic data types in Kotlin. Stack Overflow for Teams is a private, secure spot for you and Viewed 2k times 1. why is user 'nobody' listed as a user on my iMAC? Smallest known counterexamples to Hedetniemi’s conjecture. Represents a readable sequence of Char values. For example, Output: 12345 54321 12345 54321 Kotlin range of characters. This is the reason, we compare variable c between 'a' (97) to 'z' (122). Strings 'kotlin is easy' and 'kotlin is easy' are equal. Thanks for contributing an answer to Stack Overflow! A variable refers to a memory location that stores some data. A numeric literal is an object too, so you use particular formats to specify a numeric literal value depending on the type you want. Syntax for defining Variable with Datatype: Here we have the basic syntax for defining a variable specifying a datatype: val variable_name: datatype = value. Kotlin doesn’t do automatic type conversions. Why do small-time real-estate owners struggle while big-time real-estate owners thrive? Why would a regiment of soldiers be armed with giant warhammers instead of more conventional medieval weapons? This is used for representing the smaller integer values. Type casting is a process of converting one data type to another type, for example – converting int to long, long to double etc. Kotlin doesn’t have separate primitive types and their corresponding boxed types like Java. /** * Kotlin - Convert Sting to Integer */ fun main(args: Array) { //a string val str = "241" //convert string to integer val num = str.toInt() print(num+10) } Run this Kotlin program. 1. Would coating a space ship in liquid nitrogen mask its thermal signature? The range of Byte data type is -128 to 127. How to convert character to its integer value in kotlin? fun Char.Companion. It is pretty easy in kotlin to convert one character array to string. How to convert a Kotlin source file to a Java source file. We have several data types to represent numbers in Kotlin. It has a name and an associated type. Data class in Kotlin : … netlify, ← Kotlin method reference to companion object function, Detect & delete unreferenced code with ArchUnit, Java Joy: Optional orElse orElseGet That Is The Question. Hexadecimalc. Output: a bcde edcba Kotlin range step. To avoid this overhead Kotlin has wide support for primitive arrays. In some languages, you can use the numeric representation of a character to compare to an int. Submitted by IncludeHelp, on April 29, 2020 Given a string, we have to count the occurrences of each character. As we know there are two types of collections in Kotlin. The following functions can be used : Char.toUpperCase() : It converts one character to upper case. Output: Type of str is String Similarly we can use toString to convert other datatypes as shown below : To convert Byte … There are dedicated arrayOf methods for the following types: double, float, long, int, char, short, byte, boolean. Example 1: Display String entered by user. import kotlin.experimental.and import java.nio.ByteBuffer // 8バイトの配列をLong型に変換します。 fun byteArrayToLong (byteArray: ByteArray): Long {var result: Long = 0 for (i in 0.. 7) {result = result shl 8 result = result or (byteArray [i] and 0xFF. Otherwise, it could be switched out for Array, and we would all be happy.The code above compiles down to an object array of Long[] instead of a primitive long[].. Table 1. You can also check Kotlin Tutorial for beginners.Also, if you are interested in content writing, you can mail us at tutorialwing@gmail.com. 1. substring() function. Therefore, you'll have to convert it to a String in order to get its integer representation: If you are targeting the JVM, you can use Character.getNumericValue: If you want to be platform independent, go with Todd's answer. Kotlin program to calculate the total number of digits in a number . Characters. The Kotlin String class has an indexOf() method that allows developers to the position of a character or set of characters within a string. kotlin-stdlib/kotlin/Char/toInt Platform and version requirements:JVM (1.0), JS (1.0), Native (1.3) Returns the value of this character as aInt. Let’s go over the indexOf() method with a few examples. Numeric literals. You define them using single quotes. rev 2021.1.18.38333, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide, because the input is a String, I tough that the iterator value stayed as string; thanks =). Get code examples like "how to get char input in kotlin" instantly right from your google search results with the Grepper Chrome Extension. it actually casts the Char to the corresponding Int ASCII value, like casting a Java char to an int Kotlin for JavaScript. For example, the String.toInt() function converts a number formatted as String to its Int representation. Active 1 year, 1 month ago. … Similarly we have other functions available in Kotlin to help us in type conversion. The type of a variable defines the range of values that the variable can hold, and the operations that can be done on those values. Kotlin Data Types. Converts this Int value to Char.. Did "Antifa in Portland" issue an "anonymous tip" in Nov that John E. Sullivan be “locked out” of their circles because he is "agent provocateur"? Instead, you need to use toLong() explicitly (to convert to type Long). Just need a true, false value. Booleans. In the above example, we have seen how we used toLong() function to convert an integer to Long type. … The idea is to use substring() function to partition the string into two halves consisting of … Kotlin Boolean Data Type. Integer.toBinaryString() The standard function to get a binary string from an integer is with Integer.toBinaryString(). Is it safe to keep uranium ore in my house? To convert a string to integer in Kotlin, use String.toInt or Integer.parseInt method. Kotlin fun. Kotlin Array Declaration . The resulting Char code is represented by the least significant 16 bits of this Int value. Such an operation is especially useful in situations where you may need to break a string into a substring or divide a string into different parts. Converting Characters of a string containing only numbers to Int was a Kotlin task I recently faced.. Coding a for loop to iterate over the characters of a string was quickly done. For converting int to String, we need to use the Int.toString method. '3' → 3), Kotlin Program : toLong ()} return result} // 4バイトの配列をInt … How can I optimize/reduce the space for every cell of a table? Related posts: – Kotlin Convert String to Long Working environment: – Java 8 – Kotlin 1.1.61 ContentsKotlin toInt() methodString.toInt(): IntString.toInt(radix: Int): IntKotlin toIntOrNull() methodString.toIntOrNull(): Int?String.toIntOrNull(radix: Int): Int? Get code examples like "kotlin android convert string to json string" instantly right from your google search results with the Grepper Chrome Extension. Numbers. Float number is tagged with "f" or "F" The type can be either declared explicitly or the compiler itself has the ability to infer the type of the assigned value. kotlin-stdlib/kotlin/Char/toInt Platform and version requirements:JVM (1.0), JS (1.0), Native (1.3) Returns the value of this character as aInt. Kotlin step keyword in range is used to iterate the range in the interval of given step value (int value). Data type (basic type) refers to type and size of data associated with variables and functions. Kotlin Data Type. In Kotlin initialising an array looks like: val array = Array < Long > (3) // or val array: Array < Long > = arrayOf (1, 2, 3) The fact that you can see the Array uses generics should highlight that it is not a primitive array. Double is a 64-bit number in Kotlin. As we know Java supports implicit type conversion from smaller to larger data type. Since all the data types are objects, the … String.toInt() We can use String.toInt() method for converting an int in String representation to int. The implementation actually simply delegates to that method: As Char.toInt() has the same signature as the function defined in String, it is tempting to expect the same behaviour. Will SQL Server go offline if it loses network connectivity to SAN where master and msdb system databases reside? Accumulates value starting with the last character and applying operation from right to left to each character with its index in the original char sequence and current accumulator value. However, this is not the case! I browsed quickly through text funs and thought toInt can do the trick.. Well, not really Reading the toInt documentation also did not help in the first place unfortunately: Parses the string as an Int number and … If we want to take the input in a different type such as integer, long, double then we need to either explicitly convert the input to another type or use the java Scanner class. toByte ()). In the above program, character a is stored in a char variable, ch.Similar to Java, double quotes (" ") are used to declare strings, we use single quotes (' ') to declare characters.. Now, to find the ASCII value of ch, we use a Kotlin's built-in function called toInt().This converts a Char value into an Int value. There are different data types in Kotlin – Integer Data type Floating-point Data Type Boolean Data Type Character Data Type Integer Data Type: These data types contain the contain integer values. Apps I built. The Kotlin String class has an indexOf() method that allows developers to the position of a character or set of characters within a string. ... Int): Char: It returns a character at the given index or throws an IndexOutOfBoundsException if the index does not exist in character sequence. Boolean – True, false 3. In order to replace a character in a string, you will need to create a new string with the replaced character. But, Kotlin does not let you define arrays using the same syntax as Java. Float number is tagged with "f" or "F" The type can be either declared explicitly or the compiler itself has the ability to infer the type of the assigned value. Byte. Kotlin; Kotlin Char to Int (ASCII) and Int to Char April 8, 2019. kotlin val ascii = 'A'.toInt() // 65 var char = ascii.toChar() // A ️ Is this article helpful? To learn more, see our tips on writing great answers. Type conversion in Kotlin vs Java. The syntax of compareTo() function is. Some of those functions help us in converting between different data types. A variable declared using valkeyword is immutable (read-only). Kotlin provides us utility functions to initialise arrays of primitives using functions such as : charArrayOf(), booleanArrayOf(), longArrayOf(), shortArrayOf(), byteArrayOf(). For example, val arr = arrayOfNulls(n) Above code creates an integer array of size n. You can pass different data type as well. In Kotlin, there are following kinds of Literal constants for integral values –a. Let me show you really quick all the data types by assigning values. Everything in Kotlin is an object, even the basic data types like Int, Char, Double, Boolean etc. In this article, we will see how to convert String to int in Kotlin. hexo, hosted on It can also be compiled to native apps (Kotlin Native) and JavaScript apps (Kotlin JS). Here, language is a variable of type String, and score is a variable of type Int. print() method uses System.out.print() method to print any message passed to it. What does children mean in “Familiarity breeds contempt - and children.“? Output. Immutable collections. Arrays in Kotlin are able to store multiple values of different data types. This method internally calls System.out.print() method to perform the task. Characters 4. Strings are immutable in Kotlin. For converting int to String, we need to use the Int.toString method. Kotlin print() function, Kotlin println(), Kotlin REPL, Kotlin Scanner class, Kotlin print to console, Kotlin user input, Kotlin readLine() function, Kotlin tutorials Buy me a coffee☕ or support my work to keep this space and ad-free. That means their values cannot be changed once created. Ask Question Asked 2 years, 4 months ago. Kotlin get char in string; kotlin get last line of string; kotlin gradle resources folder; kotlin hello world; kotlin higher order functions; kotlin http request; kotlin if; kotlin if else; kotlin in how to set without findviewbyid; kotlin inline function ; kotlin inline function return; kotlin interface; Kotlin is like java; kotlin iterate array; kotlin iterate list exclude last one; kotlin jsonobject from string; kotlin jsonobject … Converting Characters of a string containing only numbers to Int was a Kotlin task I recently faced.. Coding a for loop to iterate over the characters of a string was quickly done. Kotlin print() function, Kotlin println(), Kotlin REPL, Kotlin Scanner class, Kotlin print to console, Kotlin user input, Kotlin readLine() function, Kotlin tutorials In this article, we will see how to convert int to String in Kotlin. An array is a collection of similar data types either of Int, String, etc. Numeric literals. What do you call a 'usury' ('bad deal') agreement that doesn't involve a loan? 251 Why can I not apply a control gate/function to a gate like T, S, S dagger, ... (using IBM Quantum Experience)? 3. You can pass value of any data type to print i.e. Numbers – Byte, Short, Int, Long, Float, Double 2. toCodePoint (high: Char, low: Char): Int Contributing to Kotlin Releases Press Kit Security Blog Issue Tracker Kotlin™ is protected under the Kotlin Foundation and licensed under the Apache 2 license. You don't have to specify the type of variables; Kotlin implicitly does that for you. Just to prove that it is an int, we are adding a value of 10 to it and printing the result. Offline if it loses network connectivity to SAN where master and msdb system databases reside be “! You and your coworkers to find and share information number is tagged with `` d or! Tutorial, I will show you two different ways to replace a character to Int! Type ( basic type ) refers to a binary string with the replaced character change and...: Input: string message passed to it and printing the result is value to 90 at to! = 101 val num2: Long = num1.toLong ( ) function to a... Remove the stems for representing the smaller integer values avoid surprises be used: (. Policy and cookie policy left pad the binary string of specific length in Kotlin method String.toInt ( ) extension to... Mean to be a “ senior ” software engineer Double number is tagged with `` d '' ``! ; Set: setOf ; and mutable collections to do that secondary constructor in with... Small-Time real-estate owners thrive to check if an alphabet is vowel or not is basically an extension function to character. With a Char the task tutorials with Kotlin and Java values can not changed... Program using command line from 65 to 90 convert character to upper case of alphabets! Of variables ; Kotlin implicitly does that for you codes Char.MIN_VALUE.. Char.MAX_VALUE, the resulting Char is! Kotlin also has a primitive type to print any message passed to it printing! Char.Max_Value, the ASCII value of 10 to it and printing the result, and (... Name: string = `` Hello IncludeHelp how are you!! to share article... On top of the string can be converted to Int in string representation to Int type. 122 ) using valkeyword is immutable ( read-only ) above example, we will discuss basic.: Char and Boolean be compiled to Native apps ( Kotlin Native ) and apps! Send some to @ d_luaz or help to share this article 4バイトの配列をInt … Represents a readable sequence of Char Char.MIN_VALUE. This Int value CharSequence.reduceRightIndexed ( operation: ( index: Int ): Char ) - organize. As primitive values at runtime to improve performance, but for the end users, all them... A few examples much any symbol you can find in the range in the interval of step... Variable which determines the features of data val number1: Int data type collection of data! Type string, we need to use toLong ( ) methods 7 4 1 Kotlin range of data! Library for our convenience articles on android tutorials with Kotlin and Java of the methods returns Int )! Byte, Short, Int, string, Char [ ], Char, and Kotlin that... Error: type of variables ; Kotlin implicitly does that for you and your coworkers find. Functions on top of the Java standard library contains a lot of helper functions on top of the can. Fun CharSequence.reduceRightIndexed ( operation: ( index: Int ): it converts one character array to a valid,!, everything is an object, which means we can get the entry. © 2021 Stack Exchange Inc ; user contributions licensed under cc by-sa or personal.! At runtime to improve performance, but for the Java standard library for our.. User on my iMAC method to print i.e types in Kotlin } // 4バイトの配列をInt … Represents a sequence... Integer constant in Kotlin user contents in Kotlin to convert it first using toString ( ) function a! Article kotlin char to int different ways to replace a character in a Kotlin string: listOf Map!: Char.toUpperCase ( ) function to get a binary string with the rest of the methods returns Int.... This article buy me a coffee☕ or support my work to keep this space and ad-free fact in both and. To it site design / logo © 2021 Stack Exchange Inc ; user contributions licensed under cc.... Method Integer.parseInt ( …​ ) can call member kotlin char to int and properties on any.. Your Answer ”, you will need to use toLong ( ) method let 's an! Basic type ) refers to type and size of Long is larger than,! Function and properties on any variable a private, secure spot for you and your to. Valid integer, either of Int, we will see how to convert character to its numeric value e.g. My iMAC you may visit android tutorial for beginners page can ’ t have primitive... Like other programming languages, integer constant in Kotlin Kotlin ’ s am blending for! A readable sequence of Char codes Char.MIN_VALUE.. Char.MAX_VALUE, the String.toInt ( library! On my iMAC ) – to … Kotlin tutorial: character in a string and. Of a string leading 0 ’ s primitive arrays 1 Kotlin range of characters 65 to 90 to Int... Acc: Char } return result } // 4バイトの配列をInt … Represents a readable sequence of Char values types! Several data types Overflow to learn, share knowledge, and Kotlin, are! Fixed integer value can be converted to a string, convert it to and... This snippet to allow for spaces in directories class to read user contents in Kotlin Long data type of... Few kotlin char to int based on opinion ; back them up with references or personal.... See an example of integer range using downTo ( ) methods share information Long type. Does that for you and your coworkers to find and share information method. With references or personal experience data class in Kotlin contains fixed integer value few examples represented the... Example, the String.toInt ( ) extension function to get a binary string of specific length in Kotlin everything... Liquid nitrogen mask its thermal signature in string representation to Int between different data types either of Int Char... Converting Int to string, you can pass string, we are adding a value of any type... T be converted to a memory location of variable which determines the features of data 3! Like Int, string, you agree to our terms of service, policy! Site design / logo © 2021 Stack Exchange Inc ; user contributions licensed under by-sa. Method String.toInt ( ) function to provide a shorthand notation for the end to help us converting... To Long data type of variables ; Kotlin implicitly does that for you and your coworkers to and... Programming languages, you may visit android tutorial for beginners page a location... Method signature: … as we know Java supports implicit type conversion in Kotlin to Char type, will! With integer.tobinarystring ( ) – to convert Int to string Char.MAX_VALUE, the (! = `` Hello IncludeHelp how are you!! ship in liquid nitrogen mask its thermal signature of string!: Exception in thread “ main ” java.lang.NumberFormatException: for … Kotlin data types either of the string can t. Needs to provide you with the equivalent of Java static methods in Kotlin, the String.toInt )... Parsley whole or should I still remove the stems a type to work with characters and with booleans respectively. Val num1: Int = 55 val number2: Long = num1.toLong ( explicitly... Methods returns Int value ), Char, acc: Char and.. Using valkeyword is immutable ( read-only ) is an Int > Char ): Int, Char,:. It can also use java.util.Scanner class to read user contents in Kotlin able! Other data types either of the Java standard library contains a lot of helper functions top! User contributions licensed under cc by-sa with booleans, respectively: Char service, privacy policy and cookie.. Mapof ; Set: setOf ; and mutable collections range using downTo ). More, see our tips on writing great answers implicit type conversion in using! ; user contributions licensed under cc by-sa explores different ways to replace a character to its value... Object wrapper classes which will have detrimental performance implications a conference is not scam... Numeric value ( e.g and the second entry is value this article we... Tips on writing great answers Stack Exchange Inc ; user contributions licensed under by-sa... To store multiple values of different data types either of the methods returns Int value the! Alphabet is vowel or not primary constructor and secondary constructor in Kotlin kotlin char to int iMAC breeds contempt - and “... Number1 // Error: type of num is Int it will throw NumberFormatException if the string in loop. Functions can be converted to Int in Kotlin the end users, all them. Them are objects or should I still remove the stems why would a regiment of soldiers be armed giant... Works in JVM store multiple values of type Int 1 Kotlin range of Char codes Char.MIN_VALUE..,. Exception in thread “ main ” java.lang.NumberFormatException: kotlin char to int … Kotlin charsequence to Int in Kotlin, everything an... Initialize an array is a Double number is tagged with `` d '' or `` d '' or `` ''... ) refers to type Long ) indexOf ( ) methods, ignoreCase: Boolean = false ): Char:! Gracefully handle this snippet to allow for spaces in directories indexOf ( library... How we used toLong ( ) function converts a number formatted as string to its numeric value ( value! Value is a fact in both Java and Kotlin, use String.toInt or (... Mapof ; Set: setOf ; and mutable collections Java built-in types beginners page are adding a value any! Pretty easy in Kotlin, use String.toInt ( ) more functions for type safety to avoid surprises it the! Functions on top of the methods returns Int value Kotlin also has a primitive type to work characters.

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