How is the assignment operator used in Kotlin?
Assignment operators are used to assign a value to a variable. We have already used the simple assignment operator = before. Here, 5 is assigned to the variable age using the = operator. Here is a list of all the assignment operators and their corresponding functions: When you run the program, the output will be:
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What is an example of an expression in Kotlin?
Expression syntax in Kotlin The most basic expression consists of an operator, two operands, and an assignment. The following is an example of an expression: val myresult = 1 + 2 In the above example, the (+) operator is used to add two operands (1 and 2).
What is unary negative operator in Kotlin?
Kotlin provides a range of operators for the purpose of building mathematical expressions. These operators primarily fall into the category of binary operators in the sense that they take two operands. The exception is the unary negative operator (-) which is used to indicate that a value is negative rather than positive.
What is the difference between statement and statement in Kotlin?
Kotlin does not explicitly distinguish between statements, expressions, and declarations, that is, expressions and declarations can be used in statement positions. This section focuses only on those statements that are not expressions or declarations.
When to use statement or expression in Kotlin?
In the first statement of your body, you are checking if the users parameter is not null. Note that while function parameters in Kotlin are read-only, such an assertion intelligently makes users non-nullable for the rest of the function. Therefore, in the second statement, we can use it without unpacking.
When to use a greater than sign in Kotlin?
When you need to compare numbers in Kotlin, you can use things like the greater than sign > or the less than sign <. The fancy term for these is comparison operators. See the chart below for more information. When the condition evaluates to true, the when expression will evaluate to the value on the right side of the -> arrow.