RFR: 8284567: Collapse identical catch branches in java.base

[Bradford Wetmore]

On Sat, 2 Apr 2022 16:05:06 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> Let's take advantage of Java 7 language feature - "Catching Multiple Exception Types".
> It simplifies code. Reduces duplication.
> Found by IntelliJ IDEA inspection Identical 'catch' branches in 'try' statement

src/java.base/share/classes/java/net/URI.java line 47:

> 45: import sun.nio.cs.UTF_8;
> 46: 
> 47: import java.lang.Character;             // for javadoc

Looks like the javadoc comment no longer applies, so should be ok to remove.

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PR: https://git.openjdk.java.net/jdk/pull/8081