Anonymous Kotlin function: Concatenation of two strings

Kotlin Lambda: Exercise-13 with Solution

Write an anonymous Kotlin function to concatenate two strings and return the result.

Sample Solution:

Kotlin Code:

fun main() {
    val concatStrings: (String, String) -> String = fun(str1: String, str2: String): String {
        return str1 + str2
    }

    val string1 = "Kotlin "
    val string2 = "Exercises."

    val result = concatStrings(string1, string2)
    println("Concatenated string: $result")
}

Sample Output:

Concatenated string: Kotlin Exercises

Explanation:

In the above exercise -

• We define an anonymous function called concatStrings with the type (String, String) -> String. It takes two strings as its parameters (str1 and str2) and returns the concatenation of the two strings.
• Inside the concatStrings function, we simply use the + operator to concatenate str1 and str2.
• In the main function, we define the concatStrings anonymous function and assign it to the variable concatStrings. We then call the concatStrings function passing two strings string1 and string2 as arguments, and store the result in the result variable.

Kotlin Editor:

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