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Challenge: Conversion and Traversal

Explore how to convert arrays into sets removing duplicates and implement left-right-middle (LRM) traversal of binary trees. Gain hands-on experience with Java coding to strengthen your understanding of data structures and tree algorithms.

Convert an array to a set

Write a Java program to convert an array into a set and then display it.

The arr is an input parameter for which your code must return the appropriate output on the screen. The returned value must be in ascending order.

For example:

Let’s say you have the array brr as follows:

int brr[] = {2, 2, 2, 2};

After converting ...