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Tag: What does ?: Mean in Kotlin?

How do you check if a string contains another string in a case insensitive manner in Java?

1 April 2022 Enpatika.com Genel

toLowerCase() One of the easiest ways to check if a String has a substring without considering the case is to convert all the Strings to lowercase and then check for a substring . To check for a substring, we use the contains() method, and for converting the String to lowercase, we use the toLowerCase() method.

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How do you ignore case in Kotlin?

1 April 2022 Enpatika.com Genel

ignoreCase – true to ignore character case when comparing strings. By default false . Returns true if this character is equal to the other character, optionally ignoring character case. Two characters are considered equal ignoring case if Char.

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How do you use contain in Kotlin?

1 April 2022 Enpatika.com Genel

contains(element: T)’ to get the same search behavior as in a list . Returns true if element is found in the array. Returns true if element is found in the collection. Checks if the map contains the given key.

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How do you check if a string contains a character in Kotlin?

1 April 2022 Enpatika.com Genel

Check whether a string contains a substring in Kotlin

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How do I iterate an array in Kotlin?

1 April 2022 Enpatika.com Genel
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How do you do a for in Kotlin?

1 April 2022 Enpatika.com Genel

Kotlin for loop is equivalent to the foreach loop in languages like C#.

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What does ?: Mean in Kotlin?

1 April 2022 Enpatika.com Genel

length ?: -1. If the expression to the left of ?: is not null , the Elvis operator returns it, otherwise it returns the expression to the right . Note that the expression on the right-hand side is evaluated only if the left-hand side is null .

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