Free Access Oracle.1Z0-819.v2024-03-06.q112 Practice Test (Page 9)

Given:

What is the result?

A.Map: 0 Keys: 0 Values: 0

B.The compilation fails.

C.Map: 4 Keys: 4 Values: 4

D.Map: 4 Keys: 0 Values: 0

E.Map: 0 Keys: 4 Values: 4

Given:

You want to examine the items list it contains an item for which the variable count is below zero.
Which code fragment at line 1 accomplish this?

A.If (items.stream () .filter (i -> count < 0) . findAny () ) {

B.If (items.stream () .allmatch (i -> count < 0) < 0) ) {

C.If (items.stream () .anymatch (i -> count < 0) < 0) ) {

D.If (items.stream () .filter (i -> count < 0) . findFirst () ) {

Given:

What is the result?

A.The compilation fails.

B.1.99,2.99,0

C.1.99,2.99,0.0

D.1.99,2.99

Given:

Which two changes need to be made to make this class compile? (Choose two.)

A.Change Line 2 access modifier to protected:protected void checkValue(Object value)throws IllegalArgumentException;

B.Change Line 1 to a class:public class API {

C.Change Line 1 to an abstract class:public abstract class API {

D.Change Line 2 to an abstract method:public abstract void checkValue(Object value)throws IllegalArgumentException;

E.Change Line 1 to extend java.lang.AutoCloseable:public interface API extends AutoCloseable {

Given:

What is the result?

A.It throws a runtime exception.

B.Value of Euler = "2.71828"

C.The code does not compile.

D.Value of Euler = 2.71828

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