Explore the transition from imperative to functional programming in Java through a 43-minute video presentation by Venkat Subramaniam. Learn how to refactor imperative code to a more functional style, gaining benefits such as concise, expressive, and easily maintainable code. Discover the challenges of thinking functionally and see practical examples of code transformation. Cover topics including functional style, accidental complexity, functions, flat map, and coding techniques. Gain valuable insights to enhance your Java programming skills and embrace the power of functional programming.