.NET 框架中的强类型是什么意思?

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This morning was going through a book where I found a paragraph as stated below :

Each data field in a table is a strongly typed data member, fully compliant with .NET’s Common Type System.

Does the above lines means " that objects written in different languages can interact with each other like "

And if it means the above lines what does exactly the above line means by saying different languages can interact with each other like

I am trying to work out with an example but no success till now.

Or is it something that i am missing and need to know. Please help me to understand.

Thanks in advance

解决方案

For e.g you cannot Multiply or Divide two different types i.e String vs Integer

var answer = 1 * "1"; // you cannot do this

You have to explicity cast it, this is known as strongly typed

where as if you see in php

$x = "3" * 1; // is correct in php

So here you dont need to explicitly cast it.