Java Program to Print Fibonacci Series upto N Number

Write a java program to print Fibonacci series up to N number, where N is the input integer. In this tutorial, We are going to write a java code to print fibonacci series.

Find Duplicate Elements in an Array – Java Program

Write a java program to find duplicate elements in an array. There are multiple ways through which we can find duplicate elements in an array. In this tutorial, I’ll discuss three ways to find duplicate elements in an array.
This question is also very important in terms of technical interviews.