Implementation of Methods and Conditional statements in Ruby


Today in this tutorial we will learn how to Write different methods and use of conditional statements in Ruby.

  • Follow the steps below and get the hands on experience :
  1. To start with ruby compiler go to
    Start->All Programs->RailsInstaller->Interactive Ruby
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  3. After Opening the Interactive Ruby the following Command line interface will be displayed.
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  5. To declare the method in ruby the syntax is as shown below :
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    So in this if we have to create method the def keyword is used and to finish method end keyword is used.

  7. For Method With Arguments :
  8. Syntax is:

    The method with arguments can be displayed as in the following example:

  9. System defined methods can also be declared as follows
  10. Example :
    The reverse function is as follows:


  11. If you want to know the list of all the methods in the ruby which may be working with string and numbers then use the following syntax :
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  13. Now here is the exercise for Conditional Statements :
    1. if..else is one of the conditional statement
    2. Example :
      In this example we have taken variable fruit1 =”mango”

      we have taken one more variable fruit2 =”apple”

      Now if we compare it mango or apple it should display “This is a fruit” .


      As we can see in the above example we have taken variable
      fruit1 =”mango”
      so when we compare it with the following if statement it will display the following message :


    3. We can also put ‘&&’ and ‘||’ operator in it

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  14. Thus we have learnt how to write methods and conditional statements in Ruby on Rails.


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