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

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Full Text Search: The Key to Better Natural Language Queries for NoSQL in Node.js


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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