### In this article, we will discuss some of the frequently asked programming interview questions in Java.

#### If you are going for a Java developer/Senior developer job interview with big technical giants like Microsoft, Google, Ebay, Amazon, Apple,Yahoo etc.., you should be prepared for all kinds of questions. These questions are for Beginners/Intermediate reference.

#### Normally these companies use such questions to validate your understanding of programming concepts, data structures and algorithms.

#### Since it is very hard to prepare all possible programming interview questions together, we recommened brushing up your memory with few frequently asked Interview Questions.

#### Here is our list of 20 common programming questions for your reference :

#### You will get different ways of solving these in different web sites on web. Also you can refer **Cracking the coding interview book**, which contains 150+ programming questions and their solutions.

- Given an unsorted array which has a number in the majority (a number appears more than 50% in the array), find that number?(Solution)
- How to detect a cycle in singly linked list? (Solution)
- Write a program to merge two sorted linked lists. (Solution)
- Write a Program which checks if two Strings are Anagram or not. (Solution)
- How to swap two numbers without using a temp variable.. write code which is free from Integer overflow? (Solution)
- How to find all pairs of elements in an integer array, whose sum is equal to a given number? (Solution)
- Write a function to print nth number in Fibonacci series. (Solution)
- Write a function to count a total number of set bits in a 32 bit Integer. (Solution)
- Write a function to remove duplicate characters from String. (Solution)
- How to find the 3rd element from end, in a singly linked, in a single pass? (Solution)
- How to calculate factorial using recursion in Java? (Solution)
- Java program to check if a number is Armstrong number or not. (Solution)
- Algorithm to check if a number is Prime or not (Solution)
- Algorithm to check if a number is Palindrome? (Solution)
- Algorithm to find if Array contains duplicates? (Solution)
- Write code to reverse a linked list, if you able to do it using loops, try to solve with recursion? (Solution)
- How to rotate an array by a given pivot ? (Solution)
- How to remove duplicates from a sorted linked list? (Solution)
- How to find sum of digits of a number using Recursion? (Solution)
- Sorting an Array using Selection Sort (Solution)

#### Thanks for Visiting !!

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plese provied the solution for this below program….????????

1).How to rotate an array by a given pivot ?