Java program to find duplicate element in an array | Java Programs

We can find the duplicate element in the array by two methods:

1. Brute Force Method (Exhaustive search)

In Brute Force, we are taking the first element and then comparing it with the rest of the elements in the array. Here, we are perfoming exhaustive search.

Program:

Output:

Duplicate programming lanuages in array:
Java
Python
         

2. Set 

As we know, the Set doesn't allow to add duplicates.

Program:

Output:

Duplicate programming lanuages in array:

Python

Java