Furthermore, when you inspect Java Mission Control’s garbage collection metrics, you’ll see that garbage collection is off the charts: Developers can fix the problem by changing only a few lines of ...

the integer types are set to 0, decimal types are set to 0.0, Boolean values are set to false, and reference types are set to null. The null Unicode character of the char primitive type is not visible ...

But this is just the start of the good things that pattern matching will bring to Java. Records, sealed types, and deconstruction ... Node { record ConstNode(int i) implements Node ...