Modularity: Functions provide a way to modularize your code and break it down into smaller, more manageable parts. So, both methods are correct to call a function. In the first call, we pass the argument using variables and in the second call, we pass the arguments values without storing in variables. If we try to jumble the arguments then it gives the type mismatch error. Kotlin function mul() to multiply two numbers having same type of parameters-Įxplanation- In the above program, we are calling the student() function by passing the arguments in the same order as required. ): return_type – Curly braces represent the block of function. 
Generally we define a function as: fun fun_name(a: data_type, b: data_type. In Kotlin, function can be declared at the top, and no need to create a class to hold a function, which we are used to do in other languages such as Java or Scala. Each defined function has its own properties like name of function, return type of a function, number of parameters passed to the function etc. As we know, to divide a large program in small modules we need to define function.
compareTo() – To compare two numbers and return boolean value.Ī function which is defined by the user is called user-defined function. toInt() – To convert a number to integer value. rem() – To find the remainder of one number when divided by another. print() – Used to print a message to standard output. sqrt() – Used to calculate the square root of a number. The list of different standard library functions and their use – Output: The remainder when 26 is divided by 3 is: 2 ISRO CS Syllabus for Scientist/Engineer Exam. 
ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.DevOps Engineering - Planning to Production.Python Backend Development with Django(Live).Android App Development with Kotlin(Live).Full Stack Development with React & Node JS(Live).Java Programming - Beginner to Advanced.Data Structure & Algorithm-Self Paced(C++/JAVA).Data Structure & Algorithm Classes (Live).Since a very recent version, 1.9.1 MockK supports so-called hierarchical mocking.
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