Question

How to declare and initialize a set containing unique objects in Java

Answer 1

import java.util.HashSet;
import java.util.Arrays;
import java.util.Set;
 
public class MyClass {
    public static void main(String args[]) {
        Set<Integer> set = new HashSet<>(Arrays.asList(4, 9, 1, 5, 3, 12, 8, 0));
 
        System.out.println(set);
    }
}
 
 
 
 
/*
run:
 
[0, 1, 3, 4, 5, 8, 9, 12]
 
*/

 

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