[FLINK-23685][docs-zh] Translate "Java Lambda Expressions" page into …

[hapihu]

Translate "Java Lambda Expressions" page into Chinese'

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[wuchong]

@RocMarshal , do you have time to review this?

[RocMarshal]

@hapihu Thank you for your contribution. I left some comments. Please let me know what's your opinion.

[RocMarshal]

// 或者在这个例子中用 Tuple 的子类来替代->// 也可以像这个示例中使用 Tuple 的子类来替代 ？
Maybe you could do it better.

[hapihu]

The way you suggest looks better.
I'm going to modify it like this.
Thank you for your reviewing.

[hapihu]

Hello, @RocMarshal
Excuse me for taking up your time.
I have finished the modification according to your suggestion.
Would you like to review it for me again.
Thank you very much!

[RocMarshal]

@hapihu Good job. LGTM +1.
Now ping @wuchong .

[wuchong]

Thanks for the reviewing @RocMarshal and contribution @hapihu .
Merging...

[hapihu]

Hello, @RocMarshal
Excuse me for taking up your time.
I have finished the modification according to your suggestion.
Would you like to review it for me again.
Thank you very much!