RFR: JDK-8261237: isClassPathAttributePresent use try with resources with JarFile [v2]

[Matthias Baesken]

On Mon, 8 Feb 2021 16:41:44 GMT, Claes Redestad <redestad at openjdk.org> wrote:

>> Seems you're right. My search for "isClassPathAttributePresent" also didn't yield anything. So why not remove it altogether...?
>
> Removing it sounds good.

hi, I removed isClassPathAttributePresent .

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PR: https://git.openjdk.java.net/jdk/pull/2429