Sometimes in Competitive programming, it is essential to print the output in a given specified format. Most users are familiar with printf function in C. Let us see discuss how we can format the output in Scala. When a String contains values as well as texts succeeding it then formatting is required for changing values and adding texts enclosing it.
Example :
I have written 30 articles
Note:- In Scala Formatting of strings can be done utilizing two methods namely format() method and formatted() method.
- These methods have been approached from the Trait named StringLike.
Format method
Format method can be utilized for format strings and you can even pass parameters to it, where
%d is used for Integers and
%f is used for floating-points or Doubles.
Example :
Output:
There are 15 books and cost of each book is 345.250000
Example :
Output:
Geeta is a coder.
Here, %s is used for strings and %c is used for characters.
Formatted method
This method can be utilized on Integer, Double as well as Strings, as it can apply on any object.
Example :
Output :
I have written 30 articles.
Here, format string is passed as an argument in the formatted method.