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<h1>Top Coding Interview Questions &amp; Answers to Crack Your Next Interview</h1>
&nbsp;
<img src="https://sklc-tinymce-2021.s3.amazonaws.com/comp/2022/05/Top Coding Interview Questions &amp; Answers to Crack you Next Interview 2_1653571068.jpg" alt="coding interview questions and answers" width="514" height="514" />
&nbsp;
The coding interview is a place to test your coding skills. Your coding interview would begin with some general questions like other interview rounds. The general questions would be from your educational background, past work experience (not applicable if you are fresher), projects undertaken, internships, and additional tech skills on your resume. You have to answer some must-do coding questions to pass through the interview.&nbsp; This blog is for aspiring engineers or candidates seeking a better IT engineer role.
&nbsp;
<h2>Java Coding Interview Questions</h2>
There are 46K openings for Java developers in the IT industry in India. Fresher or experienced, you have to crack the Java coding interview questions to land a job as a Java developer. According to Amibitionbox, the average pay package for a Java developer is around <a href="https://www.ambitionbox.com/profile/java-developer-salary">₹ 4.2 LPA</a>. Take a course in <a href="https://skill-lync.com/computer-science-engineering-courses/introduction-java-programming">Java</a> to answer the basic coding questions.
The trending mobile applications like Spotify, Twitter and Signal are built using Java. It has a wide range of applications due to its portability and is platform-independent. Some top companies that hire Java developers include HCL, Hyperlink InfoSystem, Zensar Technologies and Wipro.
&nbsp;
<ol>
<li>
<h3> How to reverse a String in Java?</h3>
</li>
</ol>
public class StringPrograms {
&nbsp;
public static void main(String[] args) {
&nbsp;
String str = "123";
System.out.println(reverse(str));
}
&nbsp;
public static String reverse(String in) {
if (in == null)
throw new IllegalArgumentException("Null is not valid input");
&nbsp;
StringBuilder out = new StringBuilder();
&nbsp;
char[] chars = in.toCharArray();
&nbsp;
for (int i = chars.length - 1; i &gt;= 0; i--)
out.append(chars[i]);
&nbsp;
return out.toString();
}
}
&nbsp;
<ol start="2">
<li>
<h3> How to check if a list of integers contains only odd numbers using Java?</h3>
</li>
</ol>
public static boolean onlyOddNumbers(List&lt;Integer&gt; list) {
for (int i : list) {
if (i % 2 == 0)
return false;
}
return true;
}
&nbsp;
<ol start="3">
<li>
<h3> How to swap two numbers without using the third variable using Java programing?</h3>
</li>
</ol>
import java.util.Scanner;
&nbsp;&nbsp;
class SwapTwoNumberWithoutThirdVariable
{
&nbsp;&nbsp;&nbsp;public static void main(String args[])
&nbsp;&nbsp;&nbsp;{
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int x, y;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println("Enter x and y");
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Scanner in = new Scanner(System.in);
&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x = in.nextInt();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;y = in.nextInt();
&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println("Before Swapping\nx = "+x+"\ny = "+y);
&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x = x + y;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;y = x - y;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x = x - y;
&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println("After Swapping without third variable\nx = "+x+"\ny = "+y);
&nbsp;&nbsp;&nbsp;}
}
&nbsp;
<h2>Python Coding Interview Questions</h2>
Python is one of the top skills recruiters look for due to its wide range of applications. There are over <a href="https://www.futurelearn.com/info/insights/python-insights">10,000 job </a>advertisements on Glassdoor and 14,000 on LinkedIn for Python developers. According to Ambitionbox, a Python Developer earns <a href="https://docs.google.com/document/u/0/d/15gysK9_hgCmArMQ_nrHYDrA7DULCdU6Mp9iDeyqrEwk/edit">₹ 4.3 LPA</a> on an average. Learn Python coding interview questions and get placed as a Python developer.
Python is used in Artificial Intelligence, Machine Learning, Web Development and Game Development. As it is free and open-source software, it is used globally and is ranked as the most popular programming language in IEEE Spectrum&rsquo;s ranking. Quora, Thinkful Inc. and NineHertz are some of the top companies that hire Python developers.
&nbsp;
<ol>
<li>
<h3> Write a Python code to check whether the sequence is a palindrome or not.&nbsp;</h3>
</li>
</ol>
def reverse(num):
&nbsp;&nbsp;&nbsp;&nbsp;if num&lt;10:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return num&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;else:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return int(str(num%10) + str(reverse(num//10)))
&nbsp;
def isPalindrome(num):
&nbsp;&nbsp;&nbsp;&nbsp;if num == reverse(num):
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return 1
&nbsp;&nbsp;&nbsp;&nbsp;return 0
if isPalindrome(n) == 1:
&nbsp;&nbsp;&nbsp;&nbsp;print("Given number is a palindrome")
else:
&nbsp;&nbsp;&nbsp;&nbsp;print("Given number is a not palindrome")&nbsp;
&nbsp;
<ol start="2">
<li>
<h3> How to find the sum of 2 numbers using Python?</h3>
</li>
</ol>
a = int(input("enter first number: "))
b = int(input("enter second number: "))
sum = a + b.
print("sum:", sum)
&nbsp;
<ol start="3">
<li>
<h3> Write a Python program to check whether a given number is prime or not?</h3>
</li>
</ol>
i,temp=0,0
n = int(input("please give a number : "))
for i in range(2,n//2):
&nbsp;&nbsp;&nbsp;&nbsp;if n%i == 0:
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;temp=1
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break
if temp == 1:
&nbsp;&nbsp;&nbsp;&nbsp;print("given number is not prime")
else:
&nbsp;&nbsp;&nbsp;&nbsp;print("given number is prime")&nbsp;
&nbsp;
The above are some basic coding questions. These coding interview questions would test your problem-solving skills, approach to a problem, and technical competence. A coding interview may take around 30 to 45 minutes, depending on the recruiter's side.
Apart from these questions, you should also be ready with topics like.
<ul>
<li style="font-weight: 400;" aria-level="1">Strings</li>
<li style="font-weight: 400;" aria-level="1">Linked lists</li>
<li style="font-weight: 400;" aria-level="1">Arrays</li>
<li style="font-weight: 400;" aria-level="1">Heap</li>
<li style="font-weight: 400;" aria-level="1">Tree</li>
</ul>
&nbsp;
<h3>How to Prepare for a Coding Interview</h3>
<ul>
<li style="font-weight: 400;" aria-level="1">Revise the common technical terms.</li>
<li style="font-weight: 400;" aria-level="1">Prepare for important coding questions for placement.</li>
<li style="font-weight: 400;" aria-level="1">Take up mock test.</li>
<li style="font-weight: 400;" aria-level="1">Run and test your codes.</li>
<li style="font-weight: 400;" aria-level="1">Be ready with your project reports.</li>
<li style="font-weight: 400;" aria-level="1">Practice algorithms.</li>
<li style="font-weight: 400;" aria-level="1">Research about the company you are being interviewed at.</li>
</ul>
&nbsp;
<img src="https://sklc-tinymce-2021.s3.amazonaws.com/comp/2022/05/Top Coding Interview Questions &amp; Answers to Crack you Next Interview 1_1653571303.jpg" alt="coding interview questions " width="514" height="514" />
&nbsp;
During your coding interview, present yourself with clarity and confidence. You might be asked to solve a program through different methods or explain the algorithm. Therefore, it is good for you to be prepared either way. Remember your career goals while you are at your interview. Learn all the above coding questions for placement and gain the confidence to crack your next job interview! Prepare yourself with the above coding questions for placement, and you might crack the interview.
&nbsp;
<a href="https://skill-lync.com/computer-science-engineering-courses">Check out our Coding Programs from Skill lync.</a>

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Top Coding Interview Questions & Answers to Crack Your Next Interview

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