Which functional interface, when filled into the blank, prevents the class from compiling? A. DoubleUnaryOperator B. Function
Question:
Which functional interface, when filled into the blank, prevents the class from compiling?
A. DoubleUnaryOperator
B. Function
C. IntToLongFunction
D. UnaryOperator
E. All of the above allow the code to compile.
Transcribed Image Text:
package morning; import java.util. function. *; public class Sun { public static void dawn (_ public void main(String... rays) { dawn (s->s+1); } } sunrise) {}
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The Java code snippet provided is showing a class named Sun with a method dawn that takes a functional interface as a parameter In the main method there is a call to the dawn method with a lambda expression s s1 This lambda expression takes one parameter and returns a value that is the result of incrementing the input by 1 Given the lambda expression provided let us analyze the choices given A DoubleUnaryOperator This functional interface is used for operations on a single double operand that produces a double result It could work with our lambda if s is a double and we are adding 1 to it B Function The generic Function interface in Java applies a function ...View the full answer
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Related Book For
OCP Oracle Certified Professional Java SE 11 Developer Practice Tests Exam 1Z0 819 And Upgrade Exam 1Z0 817
ISBN: 9781119696131
1st Edition
Authors: Scott Selikoff, Jeanne Boyarsky
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