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OnJava8-Examples/enumerations/EnumSwitch.java at master · CSapprenticeWT/OnJava8-Examples · GitHub
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EnumSwitch.java
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// enumerations/EnumSwitch.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// {NewFeature} Since JDK 14
public
class
EnumSwitch
{
enum
Signal
{
GREEN
,
YELLOW
,
RED
, }
Signal
color
=
Signal
.
RED
;
public
void
change
() {
color
=
switch
(
color
) {
case
RED
->
Signal
.
GREEN
;
case
GREEN
->
Signal
.
YELLOW
;
case
YELLOW
->
Signal
.
RED
;
};
}
}
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