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NEW QUESTION # 166
Examine these module declarations:
Which two statements are correct? (Choose two.)
- A. The ServiceProvider module is the only module that, at run time, can provide the com.example.api API.
- B. The placement of the com.example.api API in a separate module, ServiceAPI, makes it easy to install multiple provider modules.
- C. The ServiceProvider module should export the com.myimpl package.
- D. The ServiceProvider module does not know the identity of a module (such as Consumer) that uses the com.example.api API.
- E. The Consumer module should require the ServiceProvider module.
Answer: A,E
NEW QUESTION # 167
A company has an existing sales application using a Java 8 jar file containing packages:
com.company.customer;
com.company.customer.orders;
com.company.customer.info;
com.company.sales;
com.company.sales.leads;
com.company.sales.closed;
com.company.orders;
com.company.orders.pending;
com.company.orders.shipped.
To modularize this jar file into three modules, customer, sales, and orders, which module-info.java would be correct?
A)
B)
C)
D)
- A. Option D
- B. Option A
- C. Option B
- D. Option C
Answer: D
NEW QUESTION # 168
Given the declaration:
Examine this code fragment:
/* Loc1 */ class ProcessOrders { ... }
Which two annotations may be applied at Loc1 in the code fragment? (Choose two.)
- A. @Resource(priority=100)
- B. @Resource
- C. @Resource(name="Customer1")
- D. @Resource(name="Customer1", priority=100)
- E. @Resource(priority=0)
Answer: A,E
NEW QUESTION # 169
Given:
Which is true?
- A. The code does not compile.
- B. The code throws an exception at runtime.
- C. The code prints 25.
- D. The code compiles but does not print any result.
Answer: A
NEW QUESTION # 170
Given:
Which two lines can replace line 1 so that the Y class compiles? (Choose two.)
- A. super.set(map.values());
- B. super.set(List<String> map)
- C. map.forEach((k, v) -> set(v)));
- D. set(map.values());
- E. set(map)
Answer: A,D
NEW QUESTION # 171
Analyze the code:
Which two options can you insert inside println method to produce Global:namescope? (Choose two.)
- A. new Test().prefix+new Test().name
- B. Test.prefix+Test.name
- C. prefix+Test.name
- D. Test.getName+prefix
- E. prefix+name
- F. Test.prefix+Test.getName()
Answer: A,F
NEW QUESTION # 172
Given the code fragment:
What is the result?
- A. 2 4 6 B 10
- B. 1 3 5 7 9 11
- C. 2 4 6 8
- D. 13 5 7 9
Answer: B
NEW QUESTION # 173
Given:
public class X {
}
and
public final class Y extends X {
}
What is the result of compiling these two classes?
- A. The compilation fails because there is no zero args constructor defined in class X.
- B. The compilation fails because a final class cannot extend another class.
- C. The compilation fails because either class X or class Y needs to implement the toString() method.
- D. The compilation succeeds.
Answer: C
Explanation:
NEW QUESTION # 174
Assume ds is a DataSource and the EMP table is defined appropriately.
What does executing this code fragment do?
- A. inserts two rows (101, 'SMITH', 'HR') and (102, 'JONES', NULL)
- B. throws a SQLException
- C. inserts two rows (101, 'SMITH', 'HR') and (102, 'JONES', 'HR')
- D. inserts one row (101, 'SMITH', 'HR')
Answer: D
NEW QUESTION # 175
Given:
What is the result?
- A. 3 5 3 5
- B. 3 5 3 3
- C. 3 3 3 3
- D. 5 5 3 3
Answer: B
Explanation:
NEW QUESTION # 176
Given:
Which two lines inserted in line 1 will allow this code to compile? (Choose two.)
- A. abstract void walk();
- B. protected void walk(){}
- C. void walk(){}
- D. private void walk(){}
- E. public abstract void walk();
Answer: B,E
NEW QUESTION # 177
Given:
Which would cause s to be AQCD?
- A. s.replace(s.indexOf("B"), s.indexOf("B"), "Q");
- B. s.replace(s.indexOf("A"), s.indexOf("C"), "Q");
- C. s.replace(s.indexOf("B"), s.indexOf("C"), "Q");
- D. s.replace(s.indexOf("A"), s.indexOf("B"), "Q");
Answer: C
NEW QUESTION # 178
Given:
You wants to make the reduction operation parallelized.
Which two modifications will accomplish this?
- A. Replace line 1 with int sum = numbers. Stream (). Interate (0, a -> a+1. Reduce (0, (n m) -> n+m);
- B. Replace line 1with int sum = number. Stream ( ) . flatMap (a -> a) .reduce (0, (n, m) -> n +m );
- C. Replace line 1 with int sum = numbers. Parallel ( ). Stream ( ). Reduce (0, (n, m ) -> n + m);
- D. Replace line 1with int sum = numbers. ParallelStream ( ). Reduce (0, (n, m ) -> n + m);
- E. Replace line 1with int sum = number.stream. parallel ( ). Reduce (0, (n, m) -> n + m);
Answer: A,B
NEW QUESTION # 179
Given:
What is the output?
- A.
- B.
- C.
- D.
Answer: A
NEW QUESTION # 180
Given the code fragment:
Path currentFile = Paths.get("/scratch/exam/temp.txt");
Path outputFile = Paths get("/scratch/exam/new.txt");
Path directory = Paths.get("/scratch/");
Files.copy(currentFile, outputFile);
Files.copy(outputFile, directory);
Files.delete (outputFile);
The /scratch/exam/temp.txt file exists. The /scratch/exam/new.txt and /scratch/new.txt files do not exist.
What is the result?
- A. The program throws a FileaAlreadyExistsException.
- B. /scratch/exam/new.txt and /scratch/new.txt are deleted.
- C. The program throws a NoSuchFileException.
- D. A copy of /scratch/exam/new.txt exists in the /scratch directory and /scratch/exam/new.txt is deleted.
Answer: C
Explanation:
NEW QUESTION # 181
Given the content from the course.txt file:
Which code fragment at line 1 prints the lines that contain Java from the course.txt file?
- A.
- B.
- C.
- D.
Answer: A
NEW QUESTION # 182
Which describes an aspect of Java that contributes to high performance?
- A. Java has a library of built-in functions that can be used to enable pipeline burst execution.
- B. Java automatically parallelizes code execution.
- C. Java prioritizes garbage collection.
- D. Java monitors and optimizes code that is frequently executed.
Answer: D
NEW QUESTION # 183
Given:
Which option should you choose to enable the code to print Something happened?
- A. Add extends Exception on line 1.
Add extends Exception on line 2. - B. Add extends SpecificException on line 1.
Add extends GeneralException on line 2. - C. Add extends GeneralException on line 1.
Add extends Exception on line 2. - D. Add extends Exception on line 1.
Add extends GeneralException on line 2.
Answer: D
Explanation:
NEW QUESTION # 184
Which method throws an exception for not-a-number and infinite input values?
A)
B)
C)
D)
- A. Option C
- B. Option D
- C. Option B
- D. Option A
Answer: D
NEW QUESTION # 185
......
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