Effective Java third edition

the source code:

https://github.com/jbloch/effective-java-3e-source-code






*clone (p. 86)
copy constructor/ copy factory
compareTo()
java.util.Comparator.comparingInt + thenComparingInt


immutable objects

composition over inheritance

default methods

generics and collections

unbounded wildcard types (<?>)

PECS producer extends consumer super

isAnnotationPresent
@ExceptionTest
@Repeatable


java.util.function
Operator
Predicate
Function
Supplier
Consumer