Kotlin runCatching try-catch耗时比较

发布于:2024-07-17 ⋅ 阅读:(126) ⋅ 点赞:(0)

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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