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NEW QUESTION # 164
Which code fragment compiles?
- A. Option C
- B. Option A
- C. Option D
- D. Option B
Answer: C
Explanation:
NEW QUESTION # 165
Given:
and
checkQuality(QUALITY.A);
and
Which code fragment can be inserted into the switch statement to print Best?
- A. A
- B. A.toString()
- C. QUALITY.A
- D. QUALITY.A.ValueOf()
Answer: A
NEW QUESTION # 166
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 extend java.lang.AutoCloseable:public interface API extends AutoCloseable {
- D. Change Line 2 to an abstract method:public abstract void checkValue(Object value)throws IllegalArgumentException;
- E. Change Line 1 to an abstract class:public abstract class API {
Answer: B,D
NEW QUESTION # 167
Given:
Which two lines inserted in line 1 will allow this code to compile? (Choose two.)
- A. private void walk(){}
- B. protected void walk(){}
- C. abstract void walk();
- D. public abstract void walk();
- E. void walk(){}
Answer: B,D
NEW QUESTION # 168
Given:
Which three classes successfully override showFirst ()?
A)
B)
C)
D)
E)
F)
- A. Option F
- B. Option D
- C. Option E
- D. Option A
- E. Option C
- F. Option B
Answer: E
NEW QUESTION # 169
Given:
Which two allow a.Main to allocate a new Person? (Choose two.)
- A. In Line 1, remove the access modifierPerson() {
- B. In Line 1, change the access modifier to privateprivate Person() {
- C. In Line 2, change the access modifier to protectedprotected class Main {
- D. In Line 2, add extends Person to the Main classpublic class Main extends Person {and change Line 3 to create a new Main objectPerson person = new Main();
- E. In Line 1, change the access modifier to publicpublic Person() {
Answer: D,E
NEW QUESTION # 170
Given:
var data = new ArrayList<>();
data.add("Peter");
data.add(30);
data.add("Market Road");
data.set(1, 25);
data.remove(2);
data.set(3, 1000L);
System.out.print(data);
What is the output?
- A. [Peter, 30, Market Road]
- B. An exception is thrown at run time.
- C. [Peter, 25, null, 1000]
- D. [Market Road, 1000]
Answer: B
Explanation:
NEW QUESTION # 171
Given:
Which two independent changes will make the Main class compile? (Choose two.)
- A. Change line 1 to public class Student {.
- B. Change line 3 to Student student = new Student("Biology");.
- C. Change line 2 to public Student(String classname).
- D. Change line 1 to static class Student {.
- E. Move the entire Student class declaration to a separate Java file, Student.java.
Answer: B,C
Explanation:
NEW QUESTION # 172
Given the declaration:
Which two annotations may be applied at Loc1 in the code fragment? (Choose two.)
- A. @Resource("Customer1")
- B. @Resource
- C. @Resource({"Customer1", "Customer2"})
- D. @Resource(value={{}})
- E. @Resource()
Answer: A,C
NEW QUESTION # 173
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 C
- D. Option B
Answer: C
NEW QUESTION # 174
Given:
What is the type of the local variable x?
- A. String
- B. Character
- C. String[ ]
- D. char
Answer: A
NEW QUESTION # 175
Given:
executed with this command:
java Main one two three
What is the output of this class?
- A. nothing
- B. 1) one
- C. The compilation fails.
- D. A java.lang.ArrayIndexOutOfBoundsException is thrown.
- E. 1) one2) two3) three
Answer: E
NEW QUESTION # 176
Given:
Which two lines inserted in line 1 will allow this code to compile? (Choose two.)
- A. private void walk(){}
- B. protected void walk(){}
- C. abstract void walk();
- D. public abstract void walk();
- E. void walk(){}
Answer: B,D
NEW QUESTION # 177
Why does this compilation fail?
- A. The method Y. print (object) does not call the method super.print (object)
- B. In method x. print (Collection), system. Out :: prints is an invalid Java identifier.
- C. The method Y. print (object...) cannot override the final method x.print (object....).
- D. The method print (object) and the method print (object...) are duplicates of each other.
- E. The method x. print (object) is not accessible to Y.
Answer: D
NEW QUESTION # 178
Which set of commands is necessary to create and run a custom runtime image from Java source files?
- A. jar, jlink
- B. javac, jar
- C. java, jdeps
- D. javac, jlink
Answer: D
NEW QUESTION # 179
Given:
var data = new ArrayList<>();
data.add("Peter");
data.add(30);
data.add("Market Road");
data.set(1, 25);
data.remove(2);
data.set(3, 1000L);
System.out.print(data);
What is the output?
- A. [Peter, 30, Market Road]
- B. An exception is thrown at run time.
- C. [Peter, 25, null, 1000]
- D. [Market Road, 1000]
Answer: B
Explanation:
NEW QUESTION # 180
There is a copyServiceAPI that has the org.copyservice. spi. Copy interface To use this service in a module, which module- info.java would be correct?
- A.
- B.
- C.
- D.
Answer: B
NEW QUESTION # 181
Given this requirement:
Module vehicle depends on module part and makes its com.vehicle package available for all other modules.
Which module-info.java declaration meets the requirement?
- A. Option D
- B. Option C
- C. Option A
- D. Option B
Answer: C
NEW QUESTION # 182
Given:
What is the result?
- A. adf
- B. The compilation fails.
- C. abd
- D. abcd
- E. abdf
Answer: D
NEW QUESTION # 183
Which statement about a functional interface is true?
- A. It must be defined with the public access modifier.
- B. It is declared with a single abstract method.
- C. It is declared with a single default method.
- D. It must be annotated with @FunctionalInterface.
- E. It cannot have any private methods and static methods.
Answer: B
NEW QUESTION # 184
Given:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: B
NEW QUESTION # 185
Given:
Which two are correct? (Choose two.)
- A. Option A
- B. Option D
- C. Option C
- D. Option B
Answer: B,C
NEW QUESTION # 186
Examine this excerpt from the declaration of the java.se module:
What does the transitive modifier mean?
- A. Any module that requires the java.sql module does not need to require the java.se module.
- B. Any module that requires the java.se module does not need to require the java.sql module.
- C. Only a module that requires the java.se module is permitted to require the java.sql module.
- D. Any module that attempts to require the java.se module actually requires the java.sql module instead.
Answer: C
NEW QUESTION # 187
Given:
Assuming that this code compiles correctly, which three statements are true? (Choose three.)
- A. A cannot be final.
- B. B cannot be abstract.
- C. B cannot be final.
- D. B is a subtype of A.
- E. A is a subtype of B.
- F. A cannot be abstract.
Answer: A,B,D
NEW QUESTION # 188
......
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