What is the purpose of a while loop?
Anonymous Quiz
30%
To iterate over a collection of elements
7%
To declare variables in a program
58%
To execute a block of code multiple times
5%
To handle exceptions in a program
👍7
In a while loop, when is the loop condition checked?
Anonymous Quiz
39%
Before each iteration
23%
After each iteration
31%
Before the loop starts
8%
After the loop ends
👍3👌2
Which of the following statements correctly creates a two-dimensional array with 3 rows and 4 columns?
Anonymous Quiz
68%
int[][] matrix = new int[3][4];
9%
int[3, 4] matrix = new int[][];
13%
int[3][4] matrix = new int[];
10%
int[][] matrix = new int[]{3, 4};
👏7
Learn Constructors in java, along with interview questions
https://www.linkedin.com/posts/frb-java_interview-questions-on-constructors-in-java-activity-7082201837520494592-_cvx?utm_source=share&utm_medium=member_desktop
https://www.linkedin.com/posts/frb-java_interview-questions-on-constructors-in-java-activity-7082201837520494592-_cvx?utm_source=share&utm_medium=member_desktop
Linkedin
FRB Java on LinkedIn: Interview Questions on Constructors in Java
Interview Questions on Constructors in Java
#java #interview
#java #interview
Which of the following statements about constructors in object-oriented programming is true?
Anonymous Quiz
10%
Constructors are used to destroy objects.
11%
Constructors can have a return type.
12%
Constructors are called explicitly by the programmer.
66%
Constructors are automatically invoked when an object is created.
👏4👍1
Which of the following statements is true about the loop body in a while loop?
Anonymous Quiz
22%
It must always execute at least once
11%
It will always execute
65%
It executes based on the condition
2%
It is optional
Newly Joined Members subscribe to our channel to learn programming and crack written exams.
Like this post if you have already subscribed to our channel
Click on below link to subscribe
https://bit.ly/3NLjOpW
Discuss doubts in @javaforfree
Like this post if you have already subscribed to our channel
Click on below link to subscribe
https://bit.ly/3NLjOpW
Discuss doubts in @javaforfree
🔥7👍1
Interface methods in Java are by default:
Anonymous Quiz
63%
public
14%
private
9%
protected
14%
final
👍2
We are receiving numerous inquiries regarding upcoming batches for our Java and QA Automation courses. As we maintain a maximum limit of 5 students per batch, our available seats are currently limited and already filled. Rest assured, I will provide updated information regarding future batches through this channel.
Reply with interested to this post to get future updates
Reply with interested to this post to get future updates
❤6👍4
Which of the following is an example of a predefined interface in Java?
Anonymous Quiz
38%
Comparable
23%
ArrayList
30%
Scanner
9%
Math
🥰3👏2😁2
Can an interface have static methods in Java?
Anonymous Quiz
61%
Yes, with the static keyword.
17%
No, static methods are not allowed in interfaces.
17%
Yes, with the abstract keyword.
5%
No, interfaces can only have instance methods.
👍7🔥1
How do you implement an interface in a Java class?
Anonymous Quiz
56%
Using the implements keyword followed by the interface name.
18%
Using the extends keyword followed by the interface name.
19%
Using the implements keyword followed by the class name.
6%
Using the extends keyword followed by the class name.
Newly Joined Members subscribe to our channel to learn programming and crack written exams.
Like this post if you have already subscribed to our channel
Click on below link to subscribe
https://bit.ly/3NLjOpW
Discuss doubts in @javaforfree
Like this post if you have already subscribed to our channel
Click on below link to subscribe
https://bit.ly/3NLjOpW
Discuss doubts in @javaforfree
😁2🥱2👎1🥰1
Which keyword is used to define a constant in an interface in Java?
Anonymous Quiz
37%
final
23%
const
20%
constant
16%
static
3%
var
🔥3👍2