September 5, 2022

How to use Elvis Operator with Let in Kotlin

Elvis Operator with Let is a most frequently used operator which is denoted by “?:”, its appropriate use is when an object is declared nullable.



How to use Elvis Operator "?:"


object ? :  "return something if object is null”


var abc: String? = null
print(abc?:"hello world")
//output: hello world


Use Elvis Operator with Let:

 var str: String? = null
 str?.let { 
   // this block will beexecutedd when str is not null
  // do something when str is null


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Last edited on September 5, 2022 by Admin

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