RFR: 8267670: Update java.io, java.math, and java.text to use switch expressions

[Daniel Fuchs]

On Tue, 25 May 2021 09:37:58 GMT, Patrick Concannon <pconcannon at openjdk.org> wrote:

> Hi,
> 
> Could someone please review my code for updating the code in the `java.io`, `java.math`, and `java.text` packages to make use of the switch expressions?
> 
> Kind regards,
> Patrick

src/java.base/share/classes/java/io/ObjectStreamField.java line 123:

> 121:             case 'D'      -> type = Double.TYPE;
> 122:             case 'L', '[' -> type = Object.class;
> 123:             default       -> throw new IllegalArgumentException("illegal signature");

Why not assign type here?


    type = switch(signature.charAt(0)) {
                    case 'Z'  -> Boolean.TYPE;
                    ....

-------------

PR: https://git.openjdk.java.net/jdk/pull/4182