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What are Floating point numbers? How many types of floating number are there?

Floating point numbers have a fractional component and they represent a greater range of values than integer types.

There are two kinds of floating point numbers – Double and Float.
Double represents a 64-bit floating point number. It is used when values are large.
Float represents a 32-bit floating point number. It is used when values do not need 64-bit precision.

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