Kotlin - Data Type Booleans

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Introduction

Booleans type supports the negation, conjunction(&&), and disjunction(||) operations.

Conjunction and disjunction are lazily evaluated, so if the left-hand side satisfies the clause, then the right-hand side will not be evaluated:

Demo

fun main(args: Array<String>) {

        val x = 1 
        val y = 2 
        val z = 2 

        val isTrue = x < y && x < z 
        val alsoTrue = x == y || y == z 
         //  www  .j  a v  a  2 s .  c o m
        println(isTrue)
        println(alsoTrue)

}