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This article mainly shows you "Java 5.0how to use for", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "Java 5.0how to use for" this article.

Java 5. 0 introduces a new version of the for loop, which I call for/in. It is also called foreach and sometimes called enhanced for

List uses for/in to handle:

Iterator uses for/in to handle:

Arrays are processed with for/in:

Problem: type conversion

Combined with generics, type conversions can be avoided

For (Type aa:...) {

}

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