Month: December 2022

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Spring Framework Guru

By SFG Contributor 0

One of the exceptions that every Java Programmer must have faced is NullPointerException. They are hard to debug and cause unexpected termination of your application. To better handle NullPointerException, Java 8 has introduced the Optional class. In this post, I’ll explain how to use Optional in Java applications. Optional Overview The main benefit of the […]Continue reading

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JPA One-to-Many Mapping

By SFG Contributor 0

When you work in Enterprise Spring applications, you will often need to establish mappings between your entities. JPA one-to-many mapping is one such example. At the database level, one-to-many mapping means that one row in a table is mapped to multiple rows in another table. In this post, I’ll explain how to implement JPA one-to-many […]Continue reading

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