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Tip of the Day
Language: Java
Expertise: Beginner
Dec 5, 2017

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Avoid NullPointerException in String Equality Comparison

In equal comparisons it is recommended to place literals first. This way you eliminate the risk of NullPointerException:

//avoid 
obj.equals("foo");

//prefer
"foo".equals(obj);
Octavia Anghel
 
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