How to delete duplicate numbers in an array? (Java)

Question

Java
https://code.sololearn.com/c1XMabTFScJI/?ref=app

Answer 1

first start a loop and check if number == others numbers then assign them a garbage value like= -875687587...
and start a loop to print without those garbage value numbers

Answer 2

https://stackoverflow.com/questions/15756376/remove-duplicate-elements-in-an-array-java?lq=1