Which loop is guaranteed to execute at least once in Java?
Anonymous Quiz
20%
while
58%
do while
14%
for
8%
enhanced for loop
👍13👎1
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What is the access modifier used to specify that a method or variable is accessible only within its own class?
Anonymous Quiz
67%
private
18%
public
11%
protected
4%
default
👍5
What is the correct way to handle an exception in Java?
Anonymous Quiz
15%
Using if-else statements
77%
Using try-catch blocks
5%
Using switch-case statements
3%
Using while loops
👍6🥰1
In Java, checked exceptions are:
Anonymous Quiz
55%
Exceptions that are checked at compile-time.
31%
Exceptions that are checked at runtime.
11%
Exceptions that cannot be caught using catch blocks.
3%
Exceptions that are never thrown.
👍3❤1
Which block is used to execute code regardless of whether an exception is thrown or not?
Anonymous Quiz
19%
try
13%
catch
47%
finally
15%
throws
6%
throw
👍6❤1
In Java, which of the following blocks must be followed by either catch or finally block (or both)?
Anonymous Quiz
48%
try
18%
catch
23%
finally
11%
throw
👏5👍1😁1
What is the purpose of exception handling in Java?
Anonymous Quiz
8%
To terminate the program abruptly
83%
To handle unexpected errors and maintain program flow
4%
To cause potential errors intentionally
4%
To bypass critical errors without any action
👌6👍3
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👍4
What is the purpose of the "interface" in Java?
Anonymous Quiz
31%
To provide a blueprint for creating objects
42%
To define a set of rules for implementing classes
21%
To store variables and methods that can be accessed globally
5%
To handle errors and exceptions in a program
❤5👍4
What is the main purpose of encapsulation in Java? #oops
Anonymous Quiz
17%
To make code more readable
67%
To hide implementation details and expose a public interface
7%
To ensure code executes without errors
8%
To allow multiple inheritance
❤8👍2
Which OOP concept helps in achieving data hiding and abstraction?
Anonymous Quiz
13%
Inheritance
71%
Encapsulation
10%
Polymorphism
6%
Composition
👍10🥰1
Which access modifier provides the widest(maximum) accessibility in Java?
Anonymous Quiz
80%
public
9%
private
5%
protected
6%
default
👍6
What is the main advantage of using OOP in software development?
Anonymous Quiz
16%
It allows for procedural programming
33%
It reduces code reusability
42%
It makes the code easier to maintain and understand
9%
It eliminates the need for modular programming
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Which SOLID principle suggests that a class should be open for extension but closed for modification?
Anonymous Quiz
25%
Encapsulation
17%
Polymorphism
25%
Abstraction
33%
Open/Closed Principle
👍3👏1