Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...

All projects (portal, portal-commons, portal-gateway, etc) are java-applications which uses Gradle (with wrapper) as a build tool. All projects have written and compiled in Java 11, uses Gradle 6.1, ...

Kotlin offers big advantages over Java for JVM and Android development, and plays nicely with Java in the same projects.

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The error 500: Java.lang.nullpointerexception is an error that is faced by some developers when executing their code. Moreover, end-users also encounter ...

Marker Interfaces or Null interface in Java are special type of interfaces in character as they have no methods declared in them which means that if any classes implementing these interfaces don't ...