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Free 98-388: Introduction to Programming Using Java Exam Questions and Answers
Last updated: February 18, 2025
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1636-98-388: Introduction to Programming Using Java
#Question
When is an exception said to be thrown in Java?
A.
During compilation
B.
None of the above
C.
When the program terminates
D.
When an error occurs during code execution
Correct Answer:
D
An exception is thrown when an error occurs during the execution of a Java program.
#Question
How are Java packages typically structured?
A.
Related classes and interfaces grouped in a directory
B.
All of the above
C.
Classes group
D.
Interfaces group
Correct Answer:
A
Java packages organize classes and interfaces in a directory structure for better management and to avoid name clashes.
#Question
What is typically the result of adding a floating-point number to an integer in Java?
A.
Integer
B.
Runtime error
C.
Floating-point
D.
Compile-time error
Correct Answer:
C
Adding a floating-point number to an integer results in a floating-point value.
#Question
Which term describes an object-oriented principle that restricts access to some of an object's components?
A.
Inheritance
B.
Abstraction
C.
Encapsulation
D.
Polymorphism
Correct Answer:
C
Encapsulation restricts direct access to some of an object's components and can hide the internal state of the object.
#Question
In Java, which operators are used to compare values?
A.
== , !=
B.
>= , <=
C.
< , >
D.
All of the above
Correct Answer:
D
All these operators compare values in Java as relational operators.
#Question
Which of the following is NOT a function of an interface in Java?
A.
All are actual functions
B.
It can extend another interface
C.
It can provide method definitions
D.
It can provide method implementation
Correct Answer:
D
Interfaces in Java can provide method definitions but cannot contain their implementation (unless defined as default methods).
#Question
Which of the following is NOT a valid way to define a constructor in Java?
A.
private ClassName()
B.
C.
ClassName()
D.
public ClassName()
1636-98-388: Introduction to Programming Using Java
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