hankliu5 · February 13, 2019 03:40
diff --git a/thread_append.rb b/thread_append.rb
 array = Array.new()
 t1 = Thread.new { array.append(4) }
 t2 = Thread.new { array.append(7) }
 t1.join
 t2.join
 puts array.size
	array = Array.new()
	t1 = Thread.new { array.append(4) }
	t2 = Thread.new { array.append(7) }
	t1.join
	t2.join
	puts array.size