What are the new features in Java 8 and JDK 8?
What is a lambda? What is the structure and usage features of a lambda expression?
What variables can lambda expressions access?
How can I sort a list of strings using a lambda expression?
What types of method references do you know?
Explain the System.out::println expression.
What are functional interfaces?
What are the functional interfaces UnaryOperator<T>,
DoubleUnaryOperator, IntUnaryOperator, and LongUnaryOperator?
What are the functional interfaces Predicate<T>, DoublePredicate, IntPredicate, and LongPredicate?
What are the functional interfaces Consumer<T>, DoubleConsumer, IntConsumer, and LongConsumer?
What is the functional interface BiConsumer<T,U>?
What is the functional interface BiFunction<T,U,R>?
What is the functional interface BiPredicate<T,U>?
What are the functional interfaces of the form _To_Function?
What are the functional interfaces ToDoubleFunction<T>, ToIntFunction<T>, and ToLongFunction<T>?
What are the functional interfaces ObjDoubleConsumer<T>, ObjIntConsumer<T>, and ObjLongConsumer<T>?
What are the default methods of an interface?
How do I call the default method of an interface in a class that implements this interface?
What is a static method of an interface?
How do I call a static method of an interface?
How can I display 10 random numbers using forEach()?
How can I display unique squares of numbers using the map() method?
How can I display the number of empty strings using the filter() method?
How can I display 10 random numbers in ascending order?
How can I find the maximum number in a set?
How can I find the minimum number in a set?
How can I get the sum of all numbers in a set?
How can I get the average of all numbers?
What additional methods for working with associative arrays (maps) appeared in Java 8?
What are terminal methods and what are not ?
How to get current date using Date Time API from Java 8?
How to add 1 week, 1 month, 1 year, 10 years to current date using Date Time API?
How to get next Tuesday using Date Time API?
How to get second Saturday of current month using Date Time API?
How to get current time with millisecond precision using Date Time API?
How to get current time in local time with millisecond precision using Date Time API?
How to define repeatable annotation?
What class was introduced in Java 8 for encoding/decoding data?