List of Listings

Chapter 2. Passing code with behavior parameterization

Listing 2.1. Behavior parameterization: filtering apples with predicates

Chapter 3. Lambda expressions

Listing 3.1. Valid lambda expressions in Java 8

Listing 3.2. Working with a Predicate

Listing 3.3. Working with a Consumer

Listing 3.4. Working with a Function

Chapter 4. Introducing streams

Listing 4.1. Collections: external iteration with a for-each loop

Listing 4.2. Collections: external iteration using an iterator behind the scenes

Listing 4.3. Streams: internal iteration

Chapter 5. Working with streams

Listing 5.1. Find all transactions in 2011 and sort by value (small to high)

Listing 5.2. What are all the unique cities where the traders work?

Listing 5.3. Find all traders from Cambridge and sort them by name

Listing 5.4. Return a string of all traders’ names sorted alphabetically

Listing 5.5. Are any traders based in Milan?

Listing 5.6. Print all transactions’ values from the traders living in Cambridge

Listing 5.7. What’s the highest value of all the transactions?

Listing 5.8. Find the transaction with the smallest value

Chapter 6. Collecting data with streams

Listing 6.1. Grouping transactions by currency in imperative style

Listing 6.2. Multilevel grouping

Listing 6.3. Finding the highest-calorie Dish in each subgroup

Listing 6.4. The Collector interface

Listing 6.5. The ToListCollector

Listing 6.6. Partitioning the first n natural numbers into primes and nonprimes

Listing 6.7. The PrimeNumbersCollector