data, types, objects, and references - Managing your app's data - Arrays can contain reference variables
Head First C Sharp: A Learner’s Guide to Real-World Programming with C Sharp and .NET (Andrew Stellman(著)、Jennifer Greene(著)、O’Reilly Media)の Chapter 4(data, types, objects, and references - Managing your app’s data)、p.239(Sharpen your pencil)の解答を求めてみる。
コード
Program.cs
using ConsoleApp4;
Elephant[] elephants =
[
new Elephant() { Name = "Lloyd", EarSize = 40 },
new Elephant() { Name = "Lucinda", EarSize = 33 },
new Elephant() { Name = "Larry", EarSize = 42 },
new Elephant() { Name = "Lucille", EarSize = 32 },
new Elephant() { Name = "Lars", EarSize = 44 },
new Elephant() { Name = "Linda", EarSize = 37 },
new Elephant() { Name = "Humphrey", EarSize = 45 },
];
Elephant biggestEars = elephants[0];
int[] ints = [0, 40, 42, 42, 44, 44, 45];
for (int i = 1; i < elephants.Length; i++)
{
Console.WriteLine("Iteration #" + i);
if (elephants[i].EarSize > biggestEars.EarSize)
{
biggestEars = elephants[i];
}
Console.WriteLine(biggestEars.EarSize == ints[i]);
}
Elephant.cs
namespace ConsoleApp4;
public class Elephant
{
public string Name = "";
public int EarSize;
public void WhoAmI()
{
Console.WriteLine($"My name is {Name}.");
Console.WriteLine($"My ears are {EarSize} inches tall..");
}
}
入出力結果(Terminal, Zsh)
% dotnet run
Iteration #1
True
Iteration #2
True
Iteration #3
True
Iteration #4
True
Iteration #5
True
Iteration #6
True
%