Java 17 features are finalized and sealed. As of this writing , it is going to be released next month (September 2021).
Though there are around 14 new features introduced in this release , only two of them directly help developers and they should be aware of these.
Those two are :
Pattern Matching for Switch
Sealed Classess
Pattern Matching for Switch is introduced as a preview feature and it is one among the ongoing features released by the Java team in the pattern matching series.
This is explained in detail here with examples :
Sealed classes were introduced in Java 15 as a preview feature and have now become a permanent feature in Java 17.
Here is a detailed explanation on this :
Most of the remaining features are related to the JVM .
Here is the full list :
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