What is the importance of the lambda expression and operator in programming?

Question

I recently started learning about lambda expressions and operators in Java.But I can't understand that why it is important and how it makes a programming language more advance.Please help me by answering this question.

Answer 1

https://stackoverflow.com/questions/167343/c-sharp-lambda-expressions-why-should-i-use-them#167392

Answer 2

I want your suggestions.

Answer 3

Please help me friends!