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A classcast is useless and can be removed from the code.
Java checks explicit type downcasts at runtime. If they do not hold, a runtime exception is thrown. This checker verifies that casts will be satisfied at runtime, so that they will never throw an exception.
| Class Name | Useless Class Cast (Java) | |||
|---|---|---|---|---|
| Significance | reliability | |||
| Mnemonic | JAVA.CLASS.CAST.USELESS | |||
| Categories |
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| Availability | Available for Java only. |
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| Enabling | Checks for this warning class are enabled by
default. To disable them, add the following WARNING_FILTER rule to the
project configuration file.
WARNING_FILTER += discard class="Useless Class Cast (Java)" |
For each classcast warning, verify that all types that will ever reach that program point are assignable to the type used for the cast.
The following configuration file parameters affect checks for this warning class.
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