Tuesday, October 31, 2017

Scala Tutorial 9 - Scala For Loop



Find code here : http://www.codebind.com/scala/scala-while-and-do-while-loops/

So what is a loop ?

loops allow us to execute a statement or a block of statements multiple times. Like conditional statements, they are controlled by boolean expressions.



The for comprehension



Scala’s for is much more powerful than Java’s for

Consequently, it is used much more often than the other kinds of loops

Prints the numbers 1 through 10

Prints the numbers 1 through 9

Prints all the values in myArray

Prints all the values in myArray

Prints all the even numbers in myArray

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Monday, October 9, 2017

Scala Tutorial 6 - Scala String Interpolation





In Scala it’s common to inject variables in strings like this with the different types of string interpolation:



Scala supports basically three kinds of String Interpolation:

s String Interpolator -  Prepending s to any string literal allows the usage of variables directly in the string



f String Interpolator - Prepending f to any string literal allows the creation of simple formatted strings. It is  similar to C languages style printf . When using the f interpolator, all variable references should be followed by a printf style format string, like %d, %s, %f etc.



raw String Interpolator - The raw interpolator is similar to the s interpolator except that it performs “No escaping of literals within the string”



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