What is the output of the following code. when executed at the Ruby command prompt?

puts "This is sentence 1."

BEGIN {

    puts "This is sentence 2."

}

purpose of array.rassoc(key) array method in Ruby?

A thread shares all global. instance, and local variables that are in existence at the time the thread starts.

Assuming that d is an instance of Dir class:

Which of the following operators indicate continuation of a statement In Ruby?

range operators in Ruby: Statement X: The two.dot form. '..’. range operator creates a range from start point to end point inclusive. Statement Y: The three-dot form. '...', range operator creates a range from start point to end point exclusive.

The package that contains information about an exception is an object of class exception or is one of class exception's children . Every exception returns information to understand the nature of the exception. Which of the following are provided by exceptions?

Statement 1: A thread shares all global, instance, and local variables that are in existence at the time the thread starts. Statement 2: Ruby threads are totally out-of-process, and are implemented outside the Ruby interpreter.

In the Ruby programming language, 'true' is a type of :

Statement 1: When a Ruby program terminates, all running threads are killed, regardless of their states. Statement 2: You can wait for a particular thread to finish by calling that thread's Thread#wait method.

What is the output of the following code in Ruby? puts 'hello world'.sub(/[aeiou]/, '*')