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Editorial Team
Asked: May 13, 20262026-05-13T20:31:03+00:00 2026-05-13T20:31:03+00:00

My code is breaking on the following line with a nullpointerexception: if (stringVariable.equals(null)){ Previous

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My code is breaking on the following line with a nullpointerexception:

 if (stringVariable.equals(null)){

Previous to this statement, I declare the stringVariable and set it to a database field.

In this statement, I am trying to detect if the field had a null value, but unfortunately it breaks!

Any thoughts?

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  1. Editorial Team
    Editorial Team
    2026-05-13T20:31:03+00:00Added an answer on May 13, 2026 at 8:31 pm

    Use

    stringVariable == null
    

    To test whether stringVariable is null.

    The equals method (and every other method) requires stringVariable to not be null.

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