Kotlin Comparing Strings Example

This Kotlin example shows how to compare two strings using == operator and the compareTo() method to compare string content.

Kotlin Comparing Strings Example

In the example, we compare two strings.
package net.javaguides.kotlin.examples

fun main(args: Array < String > ) {

    val s1 = "SourceCodeExamples"
    val s2 = "sourcecodeexamples"

    if (s1 == s2) {

        println("Strings are equal")
    } else {

        println("Strings are not equal")
    }

    println("Ignoring case")

    val res = s1.compareTo(s2, true)

    if (res == 0) {

        println("Strings are equal")
    } else {

        println("Strings are not equal")
    }
}
Output:
Strings are not equal
Ignoring case
Strings are equal
The == operator compares structural equality, that is, the content of the two strings:
if (s1 == s2) {
The compareTo() method compares two strings lexicographically, optionally ignoring case:
val res = s1.compareTo(s2, true)

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