Printing distinct integers in an array

Question

I\'m trying to write a small program that prints out distinct numbers in an array. For example if a user enters 1,1,3,5,7,4,3 the program will only print out 1,3,5,7,4.

Answer 1

Put them in a set ordered by insertion time, then convert back to an array if necessary.

new LinkedHashSet<Integer>(array).toArray()

Answer 2

Either use a Set as other people have suggested or use an List compatible class. With a list compatible class just use the Contains method to check if it already exists in the array.