Uncovering Project Amber: Changes to the Java Language in v10 & Beyond
summary
Project Amber demos show concrete language changes and working examples using IntelliJ IDEA 2020.2 and Java 15 preview features live coded on screen the presenter defines sealed classes (Java 15) restrict which types can extend and shows a permits clause, demonstrates records generate getters equals hashCode toString and are shallowly immutable by serializing a record to a file after adding Serializable, converts switches to switch expressions that return values without fallthrough, uses pattern matching for instanceof to remove casts, and shows var and var in lambda params with compact examples and fixes during the live demo.
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chapters (9)
- 0:00Introduction to Project Amber
- 5:28Sealed types in Java 15
- 12:59Records for data modeling
- 23:10Pattern matching for instanceof
- 29:17Text blocks for multiline strings
- 37:24Switch expressions explained
- 39:14Local variable type inference with var
- 43:37Lambda parameter syntax updates
- 45:25Preview language features overview
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