Javarevisited

This is a coding question recently asked to one of my readers in a Java Technical interview on investment bank. The question was to r emove...

This is the second part on this array interview question. In the first part, I have showed you how to find the largest element in array , a...

Hello guys, It's been a long time since I have discussed any  coding  or  algorithm interview questions , so I thought to revisit one o...

Practicing coding problems are very important to do well in any programming interview. You should at your best on data structures like an a...

Anonymous a rrays in Java is an Array without any name , just like Anonymous inner classes and policy of using Anonymous array is just...

Array and linked lists are two fundamental data structures in the programming world. Almost all programs use Array in some form or other, ...

Hello guys, if you are wondering how to check if a given linked list is a palindrome in Java then you have come to the right place. I...

Hello guys, if you are wondering how to reveres a stack in Java then don't go anywhere. In this article, I will show you step by step ...

Both Stack and Queue are two of the crucial data structure which is very useful in solving a lot of problems. They are not as fu...

Hello guys, while surfing the Internet for a couple of weeks back, I come to know that this problem was asked on Google intervie...

Hello guys, if you are preparing for a coding interview then you may know those binary tree problems are not easy to solve on coding intervi...

Hello guys, in one of the interview I was asked to name any O(n) sorting algorithm. I was shocked because I only knew about QuickSort and M...

Hello guys, its been long time since I shared any interesting coding problem but the wait is over. Today, I am going to share one interestin...

On another day, someone asked me, is there a way to find the length of String without using the length() method from java.lang.String clas...

Hello guys, earlier, I have talked about how the binary search algorithm work s and shared the code to implement the binary search in Java....

Write a program to calculate the square root of a number in Java or C++ is one of the popular coding interview questions from Programming j...

Hello guys, in our last article, we looked at the Radix Sort in Java and in this article, we will look at the counting sort in Java. If you...

There are multiple ways to find duplicate elements in an array in Java and we will see three of them in this program. The solution and logi...

As a Java programmer, quite often you would need to sort array in Java luckily java.util.Arrays class provides several utility methods t...

Hello there, If you want to loop over an array in Java but not sure how to do that then you have come to the right place. Earlier, I have sh...