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正确
string firstName = "John ";
string lastName = "Doe";
string name = firstName @(1) lastName;
Console.WriteLine(name);
string firstName = "John ";
string lastName = "Doe";
string name = firstName + lastName;
Console.WriteLine(name);
不正确
点击 此处 重试 正确
下一题 ❯string firstName = "John "; string lastName = "Doe"; string name = firstNamew3exercise_input_no_0lastName; Console.WriteLine(name); |