formatted string csharp

                
                        string b = "world.";

Console.WriteLine("Hello {0}", b);
                    
                

string.Format() csharp

                        
                                int amount = 14;
String s = String.Format("這是今年吃的第{0}顆柚子",amount);
Console.WriteLine(s);
//這裡會輸出這是今年吃的第14顆柚子
                            
                        

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