Using Java In this method, we use HashSet to remove duplicate elements from an ArrayList. As you know, HashSet doesn’t allow duplicate elements. We use this property of HashSet to remove duplicate elements from already constructed ArrayList. But, there is one disadvantage of this method. That is, it erases the insertion order of ArrayList elements. That means, …

Using Java

Using Java

Using Java

Fibonacci Series The Fibonacci series is a series where the next term is the sum of the previous two terms. The first two terms of the Fibonacci sequence are 0 followed by 1 Program to print fibonacci series using for loop Fibonacci series up to a given number (instead of terms)

Using Java Find Factorial of a number using for loop

Using Java

Using Java

Using Java Check whether a number is even or odd using if…else statement Check whether a number is even or odd using ternary operator