blob: b1652aad3b0e64ecd5c3091f3b70d8532e10fa19 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/**
* Inspired by examples in https://openjdk.java.net/jeps/420
*/
public class SwitchPatternPreview2Error {
static void constantLabelMustAppearBeforePattern1(Object o) {
switch (o) {
case Integer i && i > 0 -> System.out.println("positive integer: " + o);
case -1, 1 -> System.out.println("special case:" + o);
case Integer i -> System.out.println("other integer: " + o);
default -> System.out.println("non-integer: " + o);
}
}
static void constantLabelMustAppearBeforePattern2(Object o) {
switch (o) {
case -1, 1 -> System.out.println("special case:" + o);
case Integer i -> System.out.println("other integer: " + o);
case Integer i && i > 0 -> System.out.println("positive integer: " + o);
default -> System.out.println("non-integer: " + o);
}
}
static void constantLabelMustAppearBeforePattern3(Object o) {
switch (o) {
case Integer i && i > 0 -> System.out.println("positive integer: " + o);
case Integer i -> System.out.println("other integer: " + o);
case -1, 1 -> System.out.println("special case:" + o);
default -> System.out.println("non-integer: " + o);
}
}
}
|
