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Get to know about the prerequisites of Oracle 1Z0-811 Exam

• Basic knowledge of databases is a must.
• Some understanding of web application design principles and their implementation on the back end, as well as front end design is essential.
• Basic knowledge of programming languages is essential.
• Understanding of the Java language and its concepts is a plus.

Oracle Java Foundations Sample Questions (Q19-Q24):

NEW QUESTION # 19
Given:

Which statement is true about the main method?

• A. It cannot be defined in a non-public class.
• B. Its parameter can be of type Integer [].
• C. It can be a non-static method.
• D. It cannot be invoked by its name.

Answer: D
NEW QUESTION # 20
Which statement is true about a mutator method?

• A. It replaces the default constructor.
• B. It returns mutated instance members.
• C. It can be used to assign data to instance members.
• D. It must be declared private.

Answer: B
NEW QUESTION # 21
Identify three advantages of object-oriented programming.

• A. information sharing
• B. information hiding
• C. modularity
• D. code reuse
• E. separation of state and behavior

Answer: B,C,D
NEW QUESTION # 22
Which two Java reserved words are used to implement encapsulation?

• A. private
• B. public
• C. final
• D. extends
• E. static

Answer: A,B
NEW QUESTION # 23
Given the code fragment:

What is the result?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: A
NEW QUESTION # 24
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