Read the following statements and select the correct option.

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.

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

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.

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?

Which of the following are correct?

What is the output of the following code in Ruby? x= 'Ruby' + 'Strings' puts x y= 'Ruby' << 'Strings' puts y z = 'Ruby'.concat('Strings') puts z

Assuming that d is an instance of Dir class:

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

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

puts 'This is sentence 1.' BEGIN { puts 'This is sentence 2.' }

What is the purpose of hash.rehash method in Ruby?