Kotlin runCatching try-catch耗时比较

Kotlin runCatching try-catch耗时比较

 

 

fun main(args: Array<String>) {
    val lists = arrayListOf("z")

    val idx = 10

    /**
     *纳秒统计
     *
     * ns(nanosecond):纳秒。一秒的10亿分之一,10的-9次方秒。
     *   1纳秒=0.000001 毫秒
     *   1纳秒=0.000000001秒
     */

    val t1 = System.nanoTime()
    kotlin.runCatching {
        lists[idx]
    }.onFailure {
        //println("error1")
    }

    val t2 = System.nanoTime()

    try {
        lists[idx]
    } catch (e: Exception) {
        //println("error2")
    }
    val t3 = System.nanoTime()

    println("${t2 - t1}ns ${t3 - t2}ns ${(t2 - t1) / (t3 - t2)}")
}

 

 

8493500ns 129600ns 65

 

 

 

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Kotlin异常处理runCatching,getOrNull,onFailure,onSuccess(1)_kotlin runcatching性能问题-CSDN博客文章浏览阅读761次。b-catch: java.lang.RuntimeException: b发生异常。kotlin异常处理try-catch-finally。kotlin异常处理try-catch-finally_zhangphil的博客-CSDN博客。_kotlin runcatching性能问题https://blog.csdn.net/zhangphil/article/details/133279853

 

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