Write a Kotlin Program to Add Two Dates

write-a-kotlin-program-to-add-two-dates

In Kotlin, adding two dates is a straightforward process.

We can simply add the days, months, and years of both dates and create a new date object from the result.

Here’s how to do it:

import java.time.LocalDate

fun main() {
    val date1 = LocalDate.of(2022, 3, 15)
    val date2 = LocalDate.of(2023, 1, 10)

    val result = date1.plusDays(date2.dayOfMonth.toLong())
        .plusMonths(date2.monthValue.toLong())
        .plusYears(date2.year.toLong())

    println("Result: $result") // Output: Result: 2024-02-25
}

In the above example, we have two LocalDate objects, date1 and date2, representing the dates 15th March 2022 and 10th January 2023, respectively.

We then add the days, months, and years of date2 to date1 using the plusDays(), plusMonths(), and plusYears() methods.

Finally, we store the result in a new LocalDate object called result and print it out.

It’s worth noting that the plusDays(), plusMonths(), and plusYears() methods return a new date object and do not modify the original object.

Therefore, we need to store the result in a new object to preserve the original dates.

In conclusion, adding two dates in Kotlin is as simple as adding their days, months, and years and creating a new date object from the result.

With the help of the LocalDate class and its methods, we can perform date calculations with ease.

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