National Institute of Standards and Technology
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Test case 142631

Description

CWE: 690 Unchecked return value is null, leading to a null pointer dereference.
BadSource: System_getProperty Set data to return of System.getProperty
GoodSource: Set data to fixed, non-null String
Sinks: trim
GoodSink: Check data for null before calling trim()
BadSink : Call trim() on possibly null object
Flow Variant: 45 Data flow: data passed as a private class member variable from one function to another in the same class

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