Inner Join two Array of integer.

[rdj1712]

For instance giving two arrays, [1,2,3], [3,3,4], output
[3,4], The implementation must handle
duplicates in either of the input arrays.

 

[John Joe]

What have you tried ? You can get solution from internet

 

[rdj1712]

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class arraytest{

public static void main(String[] args)
{
Integer[] array1 = { 1,2,3,4};
Integer[] array2 = {3,3,4};


List<Integer> joins = new ArrayList<Integer>(Arrays.asList(array1));
joins.retainAll(Arrays.asList(array2));

System.out.println("Inner Join: " + joins);

}
}