17 lines
459 B
Java
17 lines
459 B
Java
|
// 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);
|
||
|
}
|
||
|
}
|