How do type declaration statements for simple variables affect the readability of a language, considering that some languages do not require them?

One key element in coding in any programming language is it's readability. Apart from adding comments to codes, another way to greatly enhance readability is by effective type declaration that are paramount in many programming languages such as Java, C, C++ and the likes. Type declaration allows for easy identification of data types and to differentiate between them. Not only does this enhance readability, it does also enhance optimal code-understandability.

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