Demonstrate a generic method

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using System;

class ArrayUtils {

public static bool copyInsert(T e, int idx, T[] src, T[] target) {

if(target.Length < src.Length+1) return false; for(int i=0, j=0; i < src.Length; i++, j++) { if(i == idx) { target[j] = e; j++; } target[j] = src[i]; } return true; } } class Test { public static void Main() { int[] nums = { 1, 2, 3 }; int[] nums2 = new int[4]; Console.Write("Contents of nums: "); foreach(int x in nums) Console.Write(x + " "); Console.WriteLine(); ArrayUtils.copyInsert(99, 2, nums, nums2); Console.Write("Contents of nums2: "); foreach(int x in nums2) Console.Write(x + " "); Console.WriteLine(); string[] strs = { "Generics", "are", "powerful."}; string[] strs2 = new string[4]; Console.Write("Contents of strs: "); foreach(string s in strs) Console.Write(s + " "); Console.WriteLine(); ArrayUtils.copyInsert("in C#", 1, strs, strs2); Console.Write("Contents of strs2: "); foreach(string s in strs2) Console.Write(s + " "); } } [/csharp]

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