February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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Section 17.3.1 Creating an IntStream and Displaying Its Values with the forEach Terminal Operation
• IntStream static method of (p. 738) receives an int array as an argument and returns an IntStream for processing the array’s values.
• IntStream method forEach (a terminal operation; p. 738) receives as its argument an object that implements the IntConsumer functional interface (package java.util.function). This interface’s accept method receives one int value and performs a task with it.
• The Java compiler can infer the types of a lambda’s parameters and the type returned by a lambda from the context in which the lambda is used. This is determined by the lambda’s target type (p. 738)—the functional interface type that is expected where the ...
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