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Free 1z0-803: Java SE 7 Programmer I Exam Questions and Answers
Last updated: April 21, 2025
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333-1z0-803: Java SE 7 Programmer I
#Question
Which of the following statements is true regarding method overriding?
A.
None of the above
B.
The overriding method must have the same name and return type as the original
C.
Constructor cannot be overridden
D.
Method overriding increases security
Correct Answer:
B
Method overriding requires the same method name and return type in a derived class as the parent class.
#Question
Which of the following best describes encapsulation?
A.
None of the above
B.
Grouping methods together
C.
Inheriting behavior
D.
Hiding data from users
Correct Answer:
D
Encapsulation is the principle of bundling the data and methods that operate on that data within one unit, restricting access.
#Question
Which statement is false about Java arrays?
A.
They are reference types
B.
They can be multi-dimensional
C.
They have a fixed size
D.
They can hold multiple data types
Correct Answer:
D
Java arrays are homogeneous, meaning they can only hold elements of the same type.
#Question
What will happen if you make a local variable final?
A.
It initializes to null
B.
It limits its scope
C.
It cannot be changed after initialization
D.
It can be changed later
Correct Answer:
C
A final variable cannot be reassigned once it has been initialized.
#Question
How to declare an array of strings in Java?
A.
arr[] = new String[3];
B.
Both A and B
C.
String arr[] = new String[3];
D.
Correct Answer:
B
Both methods for declaring an array of strings are valid in Java.
#Question
What do you get when you multiply two integers in Java?
A.
Both A and B
B.
An integer
C.
A double
D.
A float
Correct Answer:
B
In Java, multiplying two integers results in an integer.
#Question
Which method can be used to read input from the keyboard in Java?
A.
All of the above
B.
Scanner
C.
BufferedReader
D.
InputStream
Correct Answer:
A
Java provides all three classes to perform input operations, including reading from the keyboard.
333-1z0-803: Java SE 7 Programmer I
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