30 lines
760 B
Plaintext
30 lines
760 B
Plaintext
Multiple catch blocks of the appropriate type should be used instead of catching a general exception, and then testing on the type.
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== Noncompliant Code Example
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----
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try {
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/* ... */
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} catch (Exception e) {
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if(e instanceof IOException) { /* ... */ } // Noncompliant
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if(e instanceof NullPointerException{ /* ... */ } // Noncompliant
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}
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----
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== Compliant Solution
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----
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try {
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/* ... */
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} catch (IOException e) { /* ... */ } // Compliant
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} catch (NullPointerException e) { /* ... */ } // Compliant
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----
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== See
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* https://wiki.sei.cmu.edu/confluence/display/java/ERR51-J.+Prefer+user-defined+exceptions+over+more+general+exception+types[CERT, ERR51-J.] - Prefer user-defined exceptions over more general exception types
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