Online Access Free 1z1-813 Practice Test

Which is true regarding the jaa.nio.file.Path interface?

• A.Implementation of this Interface are nor safe for use by multiple concurrent threads.
• B.The interface extends the watchservice Interface.
• C.Paths associated with the default provider are not interoperable with the java.io.File class.
• D.implementations of this interface arc immutable.

You are asked to implement an interface that processes a batch of transaction objects and returns a discounted value for each transaction as a double primitive value.
Which interface can you use to accomplish the task?

• A.ToDoubleFunction
• B.DoubleFunction
• C.DoubleConsumer
• D.DoubleSuppLier

Given the code fragment:

Which two changes, taken together, enable the use of this class in a try with resources statement?

• A.Add a meth
  Public Boolean close() throws Toxception {
  )
• B.Add a mothod:
  Public void close {) ToException {
  )
• C.Add a mothod:
  Public void autoClose () throws ToException {
  )
• D.public class customResource extends AutoCloseable {
• E.public calss customResource implements closeable (
• F.public class CustomRecource extend Closeable implements AutoCloseable {

Given:

What is the result?

• A.0 1 2 3 4
• B.1 2 3 4 5
• C.1 1 1 1 1
• D.0 1 2 3 4

Which statement Is true about the single abstract method of the java.util.function.Function Interface?

• A.It accepts one argument and always produces a result of the same type as the argument.
• B.It accepts one argument and returns boolean.
• C.It accepts an argument and produces a result of any data type.
• D.It accepts one argument and returns void.