java-topology/test/langtools/tools/javac/lambda/UnderscoreAsIdent.java
russell@unturf.com 0a580b313d undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

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Public domain — no copyright claimed. Use freely.
2026-03-26 17:11:57 -04:00

34 lines
845 B
Java

/*
* @test /nodynamiccopyright/
* @summary Check usages of underscore as identifier generate warnings
* @compile/fail/ref=UnderscoreAsIdent8.out --release 8 -XDrawDiagnostics -Xlint:-options -Werror UnderscoreAsIdent.java
* @compile/fail/ref=UnderscoreAsIdent9.out --release 9 -XDrawDiagnostics -Werror UnderscoreAsIdent.java
* @compile/fail/ref=UnderscoreAsIdent22.out -XDrawDiagnostics UnderscoreAsIdent.java
*/
package _._;
import _._;
class _ {
String _ = null;
void _(String _) { }
void testLocal() {
String _ = null;
}
void testFor() {
for (int _ = 0; _ < 10; _++);
}
void testTry() {
try { } catch (Throwable _) { }
}
void testLabel() {
_:
for (;;) {
break _;
}
_:
for (;;) {
continue _;
}
}
}