## Find second largest number in array in java

In this post, we will see how to find second highest number in array. Problem You need to find second

## Find Missing Number from Array in Java

In this post, we will see how to find missing number from array or series of numbers. Problem You have

## Reverse linked list in java

Problem Given the head of linked list, you need to reverse linked list. Solution There are two ways to reverse

## How to check if linked list contains loop or cycle

In this post, we will check how to check if linked list contains loop or not. Problem We are given

## Find nth element from the end of linked list

In this post, we will see how to find nth element from end of the linked list. Algorithm Initialize two

## Find middle element of linked list in one scan

In this post, we will how to find middle element of linked list in one scan. For example Middle element

## Check if two binary trees are Mirror of each other

In this post, we will see if two binary trees are mirror of each other. Algorithm Here is simple algorithm