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| Summary: | NPECheck does not handle boolean XOR | ||
|---|---|---|---|
| Product: | java | Reporter: | jo.navy |
| Component: | Hints | Assignee: | Svata Dedic <sdedic> |
| Status: | RESOLVED DUPLICATE | ||
| Severity: | normal | ||
| Priority: | P3 | ||
| Version: | 7.4 | ||
| Hardware: | PC | ||
| OS: | Linux | ||
| Issue Type: | DEFECT | Exception Reporter: | |
| Bug Depends on: | 249320 | ||
| Bug Blocks: | |||
Also note that the wrong hint disappears if you remove the bitwise XOR from the first "if" statement. Perhaps this bug is related to https://netbeans.org/bugzilla/show_bug.cgi?id=249234 Will be fixed as part of issue #249320 *** This bug has been marked as a duplicate of bug 245201 *** Fixed in experimental impl, wait for the umbrella issue to close. |
Consider this piece of code: Object o = null; if ((o != null) ^ false) { // ^ false is a NOP throw new RuntimeException(); } if (o == null) { // NetBeans: "Unnecessary test for null - the expression is never null" } NetBeans says "the expression is never null" but, on the contrary, it is always null.