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- 1z0-809: Java SE 8 Programmer II
Free 1z0-809: Java SE 8 Programmer II Exam Questions and Answers
Last updated: April 21, 2025
Examtopics 1z0-809: Java SE 8 Programmer II Prepaway Real Exam Questions and dumps free download
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337-1z0-809: Java SE 8 Programmer II
#Question
What happens if a class does not have a constructor?
A.
It results in compilation error
B.
It has to extend another class
C.
The default constructor is provided
D.
It throws an error
Correct Answer:
C
If no constructor is defined in a class, Java provides a default constructor implicitly that takes no arguments.
#Question
What is the default access modifier for classes in Java?
A.
package-private
B.
protected
C.
private
D.
public
Correct Answer:
A
Classes in Java have a default access level (package-private) if no access modifier is specified, which restricts visibility to the same package.
#Question
In Java, what access modifier makes a member accessible only within its own package?
A.
public
B.
default
C.
protected
D.
private
Correct Answer:
B
The default access modifier (package-private) allows access to members (variables/methods) only within the same package.
#Question
What will happen if you overload a method but change the return type only?
A.
It is ignored
B.
It generates a warning
C.
The method is resolved correctly
D.
It results in an error
Correct Answer:
D
Method overloading in Java requires a change in the method signature, not just the return type; hence, it results in a compilation error.
#Question
In Java, which of the following can be inherited?
A.
None of the above
B.
Class members
C.
Variables only
D.
Methods only
Correct Answer:
B
A subclass can inherit both methods and variables from its superclass, ensuring reusability.
#Question
What happens if you try to compile an empty Java file?
A.
It prevents execution
B.
It does nothing
C.
It throws an error
D.
It compiles successfully
Correct Answer:
D
An empty Java file is still a valid syntax. The compiler will compile it successfully, generating an empty class file.
#Question
In a switch statement, what happens if there is no case that matches?
A.
The default case is executed
B.
The code moves to the next case
C.
The last case is executed
D.
It throws an exception
Correct Answer:
A
If there's no matching case in a switch statement, control proceeds to the default case, if defined; otherwise, it exits the switch block.
337-1z0-809: Java SE 8 Programmer II
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