Which of the following is supported by Ruby?

Which of the following type of comments are valid in Ruby?

Which of the following type of comments are valid in ruby? Explanation: Double line comments comes under multiline comment.

Which of the following is not a valid data type in Ruby?

Explanation: Ruby should be written in double quotes inorder to indicate a string. 12. Which of the following is not a valid datatype? Explanation: datetime is valid datatype but timedate is not a valid datatype.

Which of the following symbol is used for commenting in Ruby?

Ruby Single-Line Comments –

It is represented by # sign.

Which company uses Ruby?

Companies using Ruby on Rails

Ruby on Rails is a preferred technology for startups, though it has also attracted many top tiers. The list of companies that use Ruby on Rails includes Basecamp, Airbnb, Shopify, Goodreads, Kickstarter, Hulu, and others.

What is C# used for?

C# is widely used for developing desktop applications, web applications and web services. It is used in creating applications of Microsoft at a large scale. C# is also used in game development in Unity.

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Which of the following is Ruby iterator?

“Iterators” is the object-oriented concept in Ruby. In more simple words, iterators are the methods which are supported by collections(Arrays, Hashes etc.). Collections are the objects which store a group of data members. Ruby iterators return all the elements of a collection one after another.

Which of the following is valid conditional statement in Ruby?

1. Which of the following is valid conditional statement in Ruby? Explanation: We use elsif conditional statement in Ruby.

Which of the following is used for a single line comment?

To create a single line comment, we use the // notation. Wherever you want to start the comment, start it with //. For example, // This is a comment cout<<“Hello”; // This is a comment following a statement.

What are data types in Ruby?

Data types in Ruby represent different categories of data such as text, string, numbers, etc. Since Ruby is an object-oriented language, all its supported data types are implemented as classes.

Which of the following is not a valid data type?

Long is not a valid ‘data type’ in C language. Explanation: Data types can be define or specify how the ‘data’ has to get entered in our programs and what type of data we have to enter.