...

Full Bio

Google Go Language Future, Programming Language Programmer Will Get Best Paid Jobs

43 days ago

New Coder Tool Promises to Turbo-Charge Coding In Major Programming Language

44 days ago

Why Many Companies Plan To Double Artificial Intelligence Projects In The Next Year

44 days ago

Why 75% SMBs Are Not Worried About Artifical Intelligence Killing Their Jobs

44 days ago

Interview Study Guide for Data Science To Get Job Quickly

47 days ago

Highest Paying Programming Language, Skills: Here Are The Top Earners

634851 views

Top 10 Best Countries for Software Engineers to Work & High in-Demand Programming Languages

456105 views

Which Programming Languages in Demand & Earn The Highest Salaries?

441216 views

50+ Data Structure, Algorithms & Programming Languages Interview Questions for Programmers

260181 views

100+ Data Structure, Algorithms & Programming Language Interview Questions Answers for Programmers - Part 1

222627 views

### 100+ Data Structure, Algorithms & Programming Language Interview Questions Answers for Programmers - Part 1

- Print duplicate characters from String? (solution)
- Check if two Strings are anagrams of each other? (solution)
- Print first non repeated character from String? (solution)
- Reverse a given String using recursion? (solution)
- Check if a String contains only digits? (solution)
- Find duplicate characters in a String? (solution)
- Count a number of vowels and consonants in a given String? (solution)
- Count the occurrence of a given character in String? (solution)
- Find all permutations of String? (solution)
- Reverse words in a given sentence without using any library method? (solution)
- Check if two String is a rotation of each other? (solution)
- Check if given String is Palindrome? (solution)

- Find a missing number in given integer array of 1 to 100? (solution)
- Find the duplicate number on a given integer array? (solution)
- Largest and smallest number in an unsorted integer array? (solution)
- Find all pairs of integer array whose sum is equal to a given number? (solution)
- Find duplicate numbers in an array if it contains multiple duplicates? (solution)
- Remove duplicates from given array in Java? (solution)
- Sort an integer array in place using QuickSort algorithm? (solution)
- Remove duplicates from an array in place? (solution)
- Reverse an array in place in Java? (solution)
- Find multiple missing numbers in given integer array with duplicates? (solution)
- Perform a binary search in given array? (solution)
- Transpose a Matrix? (solution)
- Add or subtract two Matrices? (solution)
- Multiply two Matrices in Java? (solution)
- Calculate the average of all numbers in given array? (solution)

- Find the middle element of a singly linked list in one pass? (solution)
- Find the 3rd node from the end in a singly linked list? (solution)
- Check if a given linked list contains cycle? How to find the starting node of the cycle? (solution)
- Find the length of a singly linked list? (solution)
- Reverse a linked list? (solution)
- Reverse a singly linked list without recursion? (solution)
- Remove duplicate nodes in an unsorted linked list?
- Find the sum of two linked list using Stack? (program)

- Implement a binary search tree? (solution)
- Pre-order traversal in given binary tree? (solution)
- Traverse a given binary tree in Pre-order without recursion (solution)
- Implement Post-order traversal algorithm? (solution)
- Traverse a binary tree in Post order traversal without recursion (solution)
- Print all leaves of a binary search tree? (solution)
- Count a number of leaf nodes in the given binary tree? (solution)
- In order traversal in given binary tree? (solution)
- Print all nodes of given binary tree using inorder traversal without recursion (solution)
- Check if a given binary tree is a binary search tree?
- Check if a binary tree is balanced or not?
- Given a binary search tree, how do you check whether there are two nodes in it whose sum equals a given value?
- convert a binary search tree to a sorted double-linked list.you are only allowed to change the target of pointers, but cannot create any new nodes.
- Given a binary search tree and a value k, How do you find a node in the binary search tree whose value is closest to k.

- How do you implement a Queue using two Stacks?
- Write a Java program to implement Stack using an array and linked list?
- How do you implement Stack using Queues?
- Given a binary tree, return the postorder traversal of its nodes' values, using Stack?
- Difference between Stack and Queue data structure (answer)

- Implement the Bubble Sort algorithm? (solution)
- Implement Iterative QuickSort Algorithm? (solution)
- Implement the Bucket Sort Algorithm? (solution)
- Implement Counting Sort Algorithm? (solution)
- Implement the Insertion Sort Algorithm? (solution)
- Implement a Merge Sort Algorithm? (solution)
- Implement a Radix Sort Algorithm? (solution)
- Implement Sieve of Eratosthenes Algorithm to find Prime numbers? (solution)
- Find GCD of two numbers using Euclid's Algorithm? (solution)

- Swap two numbers without using the third variable? (solution)
- Check if two rectangles overlap with each other? (solution)
- Design a Vending Machine? (solution)
- Implement an LRU Cache in your favorite programming language? (solution)
- Check if a given number is a Palindrome? (solution)
- Check if a given number is an Armstrong number? (solution)
- Find all prime factors of a given number? (solution)
- Check if a given number is a positive or negative in Java? (solution)
- Find the largest prime factor of a given integral number? (solution)
- Print all prime numbers up to a given number? (solution)
- Print Floyd's triangle? (solution)
- Print Pascal's triangle? (solution)
- Calculate the square root of a given number? (solution)
- Check if given number is a prime number? (solution)
- Add two numbers without using plus operator in Java? (solution)
- Check if a given number is even/odd without using Arithmetic operator? (solution)
- Print a given Pyramid structure? (solution)
- Find the highest repeating world from a given file in Java? (solution)
- The reverse is given Integer in Java? (solution)
- Convert a decimal number to binary in Java? (solution)
- Check if a given year is a leap year in Java? (solution)