Wednesday, 27 September 2017

8)Pattern Matching in Scala

Pattern Matching in Scala:
Pattern matching is a mechanism for checking a value against a pattern.  and much similar to java switch statement.

Syntax:
A match expression with the match keyword and at least one case clause.
varible_name match
{
case value => rep_value
.....
}

Simple Example:



Note:
Wild card _ - which means it will match anything.

Pattern matching to store the result in varible:

let's we try to hold the return match result into variable.

Example:




Pattern matching with or condtion:
passing or (|) filter in the case conditon

Example:











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