The statement contains an expression 50 + 25 that returns an integer value 75. So, expressions are part of the statements.In Kotlin, if can be used as an expression. While using if as an expression, the else branch is mandatory to avoid compiler error.In addition, we can assign the ...
This statement is always executed. The expression number < 5 will return false, hence the code inside if block won't be executed. C# if...else (if-then-else) Statement The if statement in C# may have an optional else statement. The block of code inside the else statement will be execu...
Kotlin - if...else ExpressionPrevious Quiz Next Kotlin if...else expressions works like an if...else expression in any other Modern Computer Programming. So let's start with our traditional if...else statement available in Kotlin.Syntax
Useelse ifto specify a new condition to test, if the first condition is false Usewhento specify many alternative blocks of code to be executed Note:Unlike Java,if..elsecan be used as astatementor as anexpression(to assign a value to a variable) in Kotlin. See an example at the bottom...
In Kotlin, You can useifas an expression instead of a statement. For example, you can assign the result of anif-elseexpression to a variable. Let’s rewrite theif-elseexample of finding the maximum of two numbers that we saw in the previous section as an expression - ...
Kotlin Android Studio-“If”的执行条件不正确 kotlin if-statement 我正在尝试制作一个简单的登录页面Kotlin程序。这里的概念是,该页面将从注册页面获取额外的意图,并使用它们验证用户是否使用相同的注册用户名和密码登录,然后将用户带到应用程序的主页。问题是,当用户确实输入了正确的输入时,意图就不会执行(或者更...
Else, "consonant" string is returned. We can also check for vowel or consonant using a when statement in Kotlin. Example 2: Check whether an alphabet is vowel or consonant using when statement fun main(args: Array<String>) { val ch = 'z' when(ch) { 'a', 'e', 'i', 'o', 'u...
kotlin_if.kt package com.zetcode fun main() { print("Enter your age: ") val s_age: String? = readLine() if (s_age!!.isEmpty()) return val age:Int = s_age.toInt() if (age > 18) { println("You can obtain a driving licence") } else { println("You cannot obtain a ...
问如何将嵌套的if-else语句更改为使用Kotlin的when语句？EN我有以下代码块，并希望使用Kotlin来减少它。
Compare Swiftif letStatement and KotlinletandrunFunctions Here is how we can use the Swiftif letstatement. ifletx=y.val{}else{} Syntax for theletandrunfunctions: valx = y?.let {// enter if y is not null.}?:run {// enter if y is null.} ...