Java Programs Recently Asked In Cognizant Written Test Interview

List of Recently Asked In Cognizant Written Test interview questions and answers, which is good to prepare before appearing on any Java interviews. As I said Java coding questions are mostly based on programming, logical analysis and problem solving skill , so better to get it right in first place.

Any way you may be able to solve and find answers of these Java coding questions by yourself and you can get many alternative ways to solve these problem. Some times knowing more than one way to solve any programming question or coding problem in Java also helps to impress interviewer.

Write a program to convert decimal number to binary format?

Write a program to find perfect number or not?

Write a program to find maximum repeated words from a file?

Write a program to find out duplicate characters in a string?

Write a program to find top two maximum numbers in a array?

Write a program to find common elements between two arrays?

How to swap two numbers without using temporary variable?

Write a program to print fibonacci series?

Write a program to find sum of each digit in the given number using recursion?

Write a program to check the given number is a prime number or not?

Write a program to find the given number is Armstrong number or not?

Write a program to convert binary to decimal number?

Write a program to check the given number is binary number or not?

Write a program for Bubble Sort in java?

Java Programs Recently Asked In Cognizant Written Test Interview Questions Answers