Ruby program to join multiple threads using each() method

Program/Source Code:

The source code to join multiple threads using each() method is given below. The given program is compiled and executed on Windows 10 Operating System successfully.

# Ruby program to join multiple threads 
# using each() method

threads = []

5. times {
  threads << Thread.new {
    puts "Hello World"
  }
}

threads.each(&:join);

Output:

Hello World
Hello World
Hello World
Hello World
Hello World

Explanation:

In the above program, we created an array of thread objects for 5 threads. Then we joined created threads using the each() method and printed the "Hello World" message 5 times.