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Inner Classes Articles

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New Null Checks in Inner Class Constructors

4/4/2025 • EN

New Null Checks in Inner Class Constructors

Java 25 introduces mandatory null checks for enclosing instances in inner class constructors, affecting reflection and bytecode invocation.

Constructors Inner Classes Java Jdk 25 Null Checks

Subtleties on java.lang.Enum

1/12/2009 • EN

Subtleties on java.lang.Enum

Explores a subtle bug in Java's Enum class when using getClass() on enums with methods, and provides a solution using getDeclaringClass().

Enum Inner Classes Java reflection type safety

Oliver Drotbohm