java.lang.NullPointerException Example – How to handle Java Null Pointer Exception
Interested to learn more about java.lang.NullPointerException in Java? Then check out our detailed video on Java Null Pointer Exception, through detailed examples. Java.lang.NullPointerException is one of the most common exceptions thrown in Java Programs and it is vital that programmers know how to handle it.
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Sections:
00:00 - What null is
03:30 - Nullpointerexception example
04:45 - Ways to avoid/handle Nullpointerexception
05:00 - Check with if
07:20 - Ternary operator
11:20 - Throwing exception on null
12:45 - Optionals
15:50 - Nullpointerexception with Maps
19:10 - Assertion
21:00 - InstanceOf
Instructor Mike Møller Nielsen:
Mike was born in 1977 in Kolding / Denmark and he has a passion for programming and tech in general. He works on freelance basis mostly in Denmark where he develops full stack applications mostly written in Java with Spring Boot. He has a bachelor in Chemistry which he took before migrating to IT engineering. He has a YouTube channel where he spreads the knowledge and solutions to every day problems.
YouTube: / mikemøllern. .
LinkedIn: / mike-møll. .
Site: https://www.codeinvestigator.com/
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