Consumer Action on Stream Elements We have already used both the forEach() and forEachOrdered() terminal operations to print elements when…

Collecting to a Collection The method toCollection(Supplier) creates a collector that uses a mutable container of a specific Collection type…

Implementing Functional Reduction: The reduce() Method A functional reduction combines all elements in a stream to produce a single immutable…

Parallel Functional Reduction Parallel execution is illustrated in Figure 16.12. Multiple instances of the stream pipeline are executed in parallel,…

Counting Elements The count() operation performs a functional reduction on the elements of a stream, as each element contributes to…

Implementing Mutable Reduction: The collect() Method The collect(Collector) method accepts a collector that encapsulates the functions required to perform a…

Finding the First or Any Element The findFirst() method can be used to find the first element that is available…

Collecting to a List The method Stream.toList() implements a terminal operation that can be used to collect or accumulate the…

Summary of Terminal Stream Operations The terminal operations of the Stream<T> class are summarized in Table 16.5. The type parameter…

We can again augment the accumulator with print statements as shown at (16) in Example 16.11. The output at (5)…