New candidate JEP: 433: Pattern Matching for switch (Fourth Preview)

[Mark Reinhold]

https://openjdk.org/jeps/433

  Summary: Enhance the Java programming language with pattern matching
  for expressions and statements. Extending pattern matching to  allows
  an expression to be tested against a number of patterns, each with a
  specific action, so that complex data-oriented queries can be expressed
  concisely and safely. This is a .

- Mark