Install jdk on mac intellij idea7/9/2023 Stronger code analysis with closed list of subclassesĪ new Java release every six months can be exciting, overwhelming, or both.Revisiting processing of Plant types in class Gardener.Define secure hierarchies with sealed classes.Need for creating restricted hierarchies. ![]() Sealed classes and interfaces (now a standard feature).Running the “if can be replaced with switch” inspection on your code base.Freedom from defining code that might never execute.Using sealed classes as type patterns – are they treated differently to non-sealed classes?.Should you care about handling all possible values for the selector expression in switch?.Pattern dominance – handling general types before specific types in case labels.Guarded patterns – conditions that follow test patterns.When do missing break statements in a switch statement become a compilation error?.Type pattern – case labels with a data type.Does IntelliJ IDEA convert your if-statement to a switch expression or a switch statement?.Yay! You can now handle nulls within a switch construct. ![]()
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