Course Content

Course Content


After the last rescue clause, guarantee contains a block of code that is always executed when the block ends. The assure block will be executed regardless of whether the block departs normally, raises and rescues an exception, or is terminated by an uncaught exception.

The ensure statement is a safety net for developers who want to make sure that a variable is not null or undefined.

Share With Friend

Have a friend to whom you would want to share this course?

Download LearnVern App

App Preview Image
App QR Code Image
Code Scan or Download the app
Google Play Store
Apple App Store
598K+ Downloads
App Download Section Circle 1
4.57 Avg. Ratings
App Download Section Circle 2
15K+ Reviews
App Download Section Circle 3
  • Learn anywhere on the go
  • Get regular updates about your enrolled or new courses
  • Share content with your friends
  • Evaluate your progress through practice tests
  • No internet connection needed
  • Enroll for the webinar and join at the time of the webinar from anywhere