Rename this to "Immutable reduction through reduce()"

[Shubham_Bhambey]

The topic confused me big time…please correct the heading or correct me!

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Course: https://www.educative.io/courses/java-8-lambdas-stream-api-beyond
Lesson: Mutable Reduction Through reduce() - Java 8 for Experienced Developers: Lambdas, Stream API & Beyond

[Drago_Kamenov]

totally agree