Is there a rule to scan null pointer exceptions？（Java）

[roy_zheng (h hh)]

This is the result of my search

Product product = new Product();
String string = product.getDeviceTypeId().toString();//A “null point Exception” may be thrown here，Can sonar scan it out？

[Rebse (Gilbert Rebhan)]

Hi,

yes, with the rule ‘Null pointers should not be dereferenced’ / java:S2259
see SonarSource Code Analyzers Rules Explorer
and the Noncompliant Code Example

Gilbert