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Tip: Enumerate All the Values in an Enum
Enumerate All the Values in an Enum
Finding the Current User in MySQL
Tip: Finding the Current User in MySQL
Avoid NPE via JDK 8, Optional
Java Zone
FEATURED ARTICLE
Avoid NPE via JDK 8, Optional
March 14, 2019
Language: Java, Expertise: Intermediate
- Beginning with JDK 8, you can avoid NullPointerException by returning an Optional. See an example.
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