Generally speaking, how do you find the Java code questions in this channel?
Anonymous Poll
29%
Easy
52%
Medium
15%
Hard
4%
So hard
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What is the output of the Java code above?
Anonymous Quiz
23%
Some information about Application = The release date of Telegram Messenger: 2013
25%
Little information about Application = The release date of Telegram Messenger: 2013
22%
The code does not compile due to both Line X and Line Y.
12%
The code does not compile due to Line X.
8%
The code does not compile due to Line Y.
9%
The code will throw a runtime exception.
👍8
What is the output of the code above?
Anonymous Quiz
32%
Here is the result: t and M
48%
Here is the result: e and i
20%
The code does not compile due to the syntax error
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TechShiksha by Badkul Technology
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We're sorry for the mistake in this question.
The correct one:
The correct one:
if (i2 == 0) instead of if(i1 == 0)👍4
What is the output of the Java code above?
Anonymous Quiz
18%
The code does not compile.
43%
The code throws an exception called "ArrayIndexOutOfBoundsException".
26%
16
12%
16.0
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Which topic of Java do you need to learn MOST? Please, vote this poll so that we can post questions which you need.
Optionally, you may select two or more options. Please select topics you need to learn 'ONLY'
Optionally, you may select two or more options. Please select topics you need to learn 'ONLY'
Anonymous Poll
42%
Inheritance
24%
Pritimive data types
26%
Assignment
51%
Try-catch and/or Thread
35%
Methods
76%
ArrayList, List, HashSet, HashMap (Collections)
41%
Interface and/or enum
25%
Operators
14%
Others (write in comment)
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In Java, what is the output of the code snippet above?
Anonymous Quiz
48%
The student: Student and the student has 300 dollars.
29%
The code does not compile.
23%
The code throws an exception called "InterruptedException".
👍4
What is the output of the code above?
Anonymous Quiz
31%
The code does not compile due to Line X.
36%
The code does not compile because variables "age" and "float" are defined with protected keyword.
32%
The result: 17.75
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In Java, which keyword is used to implement inheritance between classes?
Anonymous Quiz
61%
extends
27%
implements
7%
new
5%
super
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👍4
What is the purpose of the "equals()" method in Java?
Anonymous Quiz
43%
To compare two objects for reference equality.
22%
To compare two objects for structural equality.
15%
To compare two objects for memory allocation.
19%
To compare two objects for data type compatibility.
👍8
Which data structure uses the "First-In-First-Out" (FIFO) principle?
Anonymous Quiz
34%
Stack
55%
Queue
8%
arraylist
3%
hashset
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What is the correct way to declare a constant in Java?
Anonymous Quiz
26%
constant int x =5;
47%
final int x =5;
16%
int final x = 5;
11%
int x = constant 5 ;
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What is the purpose of the NullPointerException in Java?
Anonymous Quiz
28%
It is thrown when an arithmetic operation results in an undefined value.
51%
It is thrown when a null reference is accessed.
12%
It is thrown when a method is not found.
9%
It is thrown when the program runs out of memory.
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Which feature introduced in Java 8 allows you to write more concise and expressive code for handling collections?
Anonymous Quiz
23%
Enhanced for loop
20%
Generics
44%
Lambda expressions
12%
Method references
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