Can a dictionary have the same key?

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Why do we use hashtable in c#?

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I want to single value if you give any integer value. Below are examples  1. Input: 123  Output: 6 2. Input: 99   9+9=18   1+8  Output: 9 How to get above output?

1 Answers   AxSys,

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Can we overload the main method in c#?

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What are the variables in c#?

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Why do we use abstract class in c#?

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Name the property of the textbox which cannot be changed at runtime?

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Distinguish between a class and struct?

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What is void in c#?

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What are synchronous and asynchronous operations?

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What is nameof c#?

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Is array value type in c#?

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