hungdihoc
7/14/2019 - 5:53 PM

Output-4-3

Output-4-3
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Hello World!
Greetings World!
csharp-4-3.cs
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string sayHello = "Hello World!";
Console.WriteLine(sayHello);
sayHello = sayHello.Replace("Hello", "Greetings");
Console.WriteLine(sayHello);