Question

How to remove duplicates from array in Java

Answer 1

import java.util.*; 

public class MyClass {
    public static void main(String args[]) {
        Integer arr[] = {5, 2, 1, 3, 7, 1, 5, 9, 3, 3, 3};

        Set<Integer> set = new HashSet<>(Arrays.asList(arr)); 
        
        for (Integer n : set)
            System.out.printf("%d ", n);
    }
}



/*
run:

1 2 3 5 7 9 

*/

 

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