Scala Tutorial Four - Information Types Together With Variables

Strong typing is really of import inwards functional programming

Most scripting similar Ruby, Python, etc. are dynamically typed, which is supposed to locomote i of their advantages.

Static typing makes programming much safer.

But sometimes types declarations teach a burden.

Scala’s type inferencing machinery minimizes the publish of type declarations required.

It’s non uncommon for user code to convey no explicit types.



Data Types Byte : 8 fleck signed value. Range from -128 to 127

Short : xvi fleck signed value. Range -32768 to 32767 Int : 32 fleck signed value. Range -2147483648 to 2147483647

Long : 64 fleck signed value. -9223372036854775808 to 9223372036854775807

Float : 32 fleck IEEE 754 single-precision float

Double : 64 fleck IEEE 754 double-precision float Char : xvi fleck signed Unicode character. Range from U+0000 to U+FFFF

String : Influenza A virus subtype H5N1 sequence of Chars

Boolean : Either the literal truthful or the literal fake Unit: Corresponds to no value : void

Null: zilch or empty reference

Nothing : The subtype of every other type; includes no values Any: The supertype of whatsoever type; whatsoever object is of type

Any : Java's Object class

AnyRef: The supertype of whatsoever reference type





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