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How slow/inefficient is Java reflection API?

Asked by Divya 08/07/2017 Last Modified 09/07/2017

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1.1. Reverse an array in Java.

public class Main { public static void main(String args) { int arr = {1, 2, 3, 4, 5}; for (int i = 0; i < arr.length / 2; i++) { int temp = arr; arr = arr; arr = temp; } System.out.println(Arrays.toString(arr)); }}

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2.1. Reverse a singly linked list.

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