Yassin Hajaj

Brussels, Belgium

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Baeldung's Author's Page


Recent Blog Posts

  • Sealed Types in Java
  • Helpful NullPointerExceptions in Java
  • Inject null in Java EE
  • Write Java Streams with Checked Exception Safe Lambdas
  • How to use JDK 13’s String::formatted method
  • Spring DI & Kotlin on Quarkus
  • Hack Java Streams : Print Progress using Lombok
  • Vaadin : Copy invisible value to clipboard and test it using Selenium
  • Optionals : are bad practices still bad practices if everyone practices them ?
  • Simple Linear Regression from scratch using Kotlin
  • Put a little Kotlin sugar in your Java recipes
  • Kotlin and BIG Numbers
  • Write your own Java Stream Collectors
  • Older blog posts...

SOF achievements

  • Belgian Top User of Oct '15
  • Java Belgian User of Q4 - 2015
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