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OnJava8-Examples/collections/CompactConstructor.java at master · CSapprenticeWT/OnJava8-Examples · GitHub
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CompactConstructor.java
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CompactConstructor.java
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// collections/CompactConstructor.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 16
record
Point
(
int
x
,
int
y
) {
void
assertPositive
(
int
val
) {
if
(
val
<
0
)
throw
new
IllegalArgumentException
(
"negative"
);
}
Point
{
// Compact: No parameter list
assertPositive
(
x
);
assertPositive
(
y
);
}
}
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