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Hello, Tim, I believe you did a great job and solve all coding exercises from your homework.

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But if you don't mind, I'd like to share with you my own solutions to the same tasks.

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I will leave links to the source code attached to this lesson.

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Take your time to look through my solutions and left comments in the source code to make you understand

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the most complicated pieces of code.

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Also, in some solutions you can find something like this solution with stream API.

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That is because the first solution, which I wrote for some tasks, was written with the help of stream

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API.

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After that, I remembered that we didn't learn stream API with you so far, and I wrote solution with

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knowledge that you have right now.

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Indeed, writing code with stream API takes less code to achieve the same goal.

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Here is the solution without stream API v3.

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And here is the solution with stream API.

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Take this as motivation that soon will learn stream API and you will be able to write methods like this.

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Feel free to ask questions and comment section regarding homework in case something is still unclear.

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Thanks a lot for your attention and see you in the next lesson.