問題一覧
1
It is an object-oriented programming language created by Microsoft that runs on the .NET Framework.
c#
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The first version was released in year
2002
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The latest version, ___, was released in September 2019.
c#8
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The latest version, C# 8, was released in ____
september 2019
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C# is pronounced as “___".
see-sharp
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is a framework for building applications on Windows
.net
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CLR (Common Language Runtime). Class Library
.net
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The easiest way to get started with C#, is to use an___
ide
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can be used to explain C# code, and to make it more readable. It can also be used to prevent execution when testing alternative code.
comments
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comments start with two forward slashes (//)
single-line
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comments start with /* and ends with */.
multi-line
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containers for storing data values
variables
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Different types of variables:
int, bool, double, char, string
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– stores integers (whole numbers) – without decimals, such as 123 or -123
int
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– stores floating point numbers – with decimals, such as 20.99 or -20.99
double
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– stores single characters – such as 'a' or ‘B’
char
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– stores text, such as "Hello World".
string
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– stores values with two states – such as true or false
bool
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To declare more than one variable of the same type, use a ___ list:
comma-separated
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However, you can add the ___ keyword if you don't want others (or yourself) to overwrite existing values.
const
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Combine a text and a variable with the + sign
concatenate
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The ___ method is often used to display variable values to the console window.
WriteLine()
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can be short names (like x and y) or more descriptive names (age, sum, totalVolume).
identifiers
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What is CLR
common language runtime