JAVA 8 Optional APIs | java 8 optional example

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In this video tutorial you will learn use of Optional
APIs in JAVA8
Below is the GitHub link to download source Code:
  1. KK JavaTutorials
  2. JAVA 8 Optional APIs
  3. java 8 optional example
  4. Optional class and preventing NullPointerException
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why that much unnecessary codes where we can solve this problem with a single line as " value1 = value1==null?0:value1; " ??

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