def func1
i=0
while i<=3
puts "func1 at: #{Time.now}"
sleep(2)
i=i+1
end
end
def func2
j=0
while j<=3
puts "func2 at: #{Time.now}"
sleep(1)
j=j+1
end
end
puts "Started At #{Time.now}"
t1=Thread.new{func1()}
t2=Thread.new{func2()}
t1.join
t2.join
puts "End at #{Time.now}"