public static void ComparePear_Class(Pear newPear)
{
Console.WriteLine($"Inital values : Pear1 isFresh = {pear1.IsFresh}, newPear = {newPear.IsFresh}");
Console.WriteLine("Setting newPear.isFresh to true");
newPear.IsFresh = true;
Console.WriteLine($"Notice that both pear have the same values : Pear1 isFresh = {pear1.IsFresh}, newPear = {newPear.IsFresh}");
// This is because class-object are pass as reference and not copied.
Console.WriteLine();
}
static void Main(string[] args)
{
// See here, I am creating 3 objects with the same properties and functions but they are distinct.
Pear pear2 = new Pear();
Pear pear3 = new Pear(false, "Yellow", System.Drawing.KnownColor.Yellow);
// These are pointer comparaisons because we didn't override both .Equals and == functions.
Console.WriteLine($"pear1 is not the same object as pear2 : {pear1 == pear2}");
Console.WriteLine($"pear1 is not the same object as pear3 : {pear1 == pear3}");
Console.WriteLine($"pear2 is not the same object as pear2 : {pear2 == pear3}");
Console.WriteLine($"Also, the colors are different, pear2 color : {pear2.Color}, pear3 Color: {pear3.Color}");
Console.WriteLine();
Console.WriteLine($"pear1 isFresh Value : {pear1.IsFresh}, pear2 isFresh Value : {pear2.IsFresh}, pear3 isFresh Value : {pear3.IsFresh}");
Console.WriteLine("pear1 is being eaten");
pear1.Eat();
Console.WriteLine($"Action on pear1 doesn't affect the other objects. pear1 isFresh Value : {pear1.IsFresh}, pear2 isFresh Value : {pear3.IsFresh}, pear2 isFresh Value : {pear3.IsFresh}");
Console.WriteLine();
tree.Fruits = new Pear[3];
tree.Height = 5;
tree.Fruits[0] = pear1;
tree.Fruits[1] = pear2;
tree.Fruits[2] = pear3;
ComparePear_Class(pear1);
CompareTrees_Struct(tree);
// Stopping the program so it doesn't stop when finish.
Console.ReadLine();
}