/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	static int[] tab = new int[]{1, 2, 3, 1, 2, 5, 1, 8, 3};
    static int nElems = tab.length;
	public static void main (String[] args) throws java.lang.Exception
	{
		int newElems = 0;
		for (int i = 0, x = nElems; i < x; i++) {
			int v = tab[i];
			boolean duplicate = false;
			for (int j = 0; j < newElems; j++) {
				duplicate |= v == tab[j];
			}
			if (!duplicate) {
				tab[newElems] = v;
				newElems++;
			}
		}
		nElems = newElems;
		System.out.println(Arrays.toString(Arrays.copyOf(tab, nElems)));
	}
}

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