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EL Mostafa
EL Mostafa
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46 questions
1
2
3
Easy
1 vote
7 runs
0 comment
What is encapsulation in Object-Oriented Programming?
IT Architect
OOP
classes
objects
at Nov 8, 2024
Easy
1 vote
6 runs
0 comment
Which annotation is used to mark a Spring Boot application class?
Back-end developer
annotations
at Sep 30, 2024
Easy
0 vote
54 runs
0 comment
What SQL operator is used to test for a range of values in a column?
Back-end developer
operators
at Nov 13, 2024
Easy
0 vote
20 runs
0 comment
What function returns the number of rows in an SQL table?
Back-end developer
functions
at Nov 13, 2024
Easy
0 vote
20 runs
0 comment
What does the LIMIT clause do in SQL?
Back-end developer
limits
at Nov 13, 2024
Easy
0 vote
19 runs
0 comment
What does the HAVING clause do in an SQL query?
Back-end developer
aggregation
filtering
at Nov 13, 2024
Easy
0 vote
5 runs
1 comment
What is the visibility of a protected member in OOP?
IT Architect
OOP
classes
access modifiers
at Nov 8, 2024
Medium
0 vote
5 runs
1 comment
What is the purpose of the application.properties file in a Spring Boot project?
Back-end developer
configuration
properties
at Sep 27, 2024
Easy
0 vote
5 runs
1 comment
Which dependency is needed to work with a Spring Boot web application?
Back-end developer
spring-boot
at Sep 27, 2024
Medium
0 vote
4 runs
0 comment
What is Hibernate?
Back-end developer
ORM
Java
at Nov 8, 2024
Easy
0 vote
4 runs
1 comment
What is abstraction in OOP?
IT Architect
OOP
encapsulation
information hiding
at Nov 8, 2024
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
Easy
0 vote
92 runs
1 comment
Write a Java program to calculate the sum of first 5 numbers
Full stack developer
at Mar 27, 2024
Easy
0 vote
159 runs
1 comment
A class can implement multiple interfaces.
Full stack developer
at Feb 13, 2024
Easy
0 vote
641 runs
0 comment
What Java keyword is used to define a constant variable?
Full stack developer
at Mar 27, 2024
Medium
1 vote
126 runs
0 comment
What is the purpose of the "super" keyword in Java?
Full stack developer
at Mar 27, 2024
Medium
2 votes
115 runs
1 comment
What is the output of the following Java code?
Full stack developer
at Apr 5, 2024
Easy
2 votes
574 runs
1 comment
Compare two strings in Java
Full stack developer
at Apr 8, 2024
Easy
2 votes
804 runs
0 comment
Print the result of the division of 5 by 2 in Java
Full stack developer
at Jan 25, 2024
Medium
9 votes
871 runs
0 comment
What is the difference between an interface and an abstract class in Java?
Full stack developer
at Feb 13, 2024
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
EL Mostafa
Easy
0 vote
3 runs
0 comment
Which Maven lifecycle phase is responsible for packaging the project code into a distributable format?
maven
packaging
at Nov 15, 2024
EL Mostafa
