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-Hello, everyone.

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In this video, we are going
to look at syntax highlighting

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and how it can help you
have direct feedback from the system

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on the code you are writing.

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For example,
if we begin by writing a capitalized C,

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we can see that it is in italics.

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That means that this prefix
is recognized by the system

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to be the beginning
of an existing class name.

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If we write "Color",

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we can see that this word
is no longer in italics,

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it has been recognized by the system

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as being an existing class.

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But what happens if we write "Colox".

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This is red and this means
that it is not recognized by the system,

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either because you have not installed
the correct package

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or simply because it is the wrong syntax.

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Right here, it is the wrong syntax.

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If we go back to "Color",

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and then we begin writing
a method name,

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for example "ne".

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This is in italics,

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so that means the same thing
as for the class name,

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that this beginning is recognized
by the system

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but now if we write for example "nexx".

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This is red,
this is not recognized by the system,

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but if instead, we write "new",

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this name is no longer italicized

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so that means this method
is recognized by the system

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according to this class.

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"Color new" is something

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that will potentially work
or at least is recognized by the system.

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These were some quick tips

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on how to get instant feedback
on the code you are writing

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in a syntaxic way.

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This will not ensure
that your code is always working,

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but it means it is still recognized
by the system.