/* 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
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int [] a = {1,2,3,4,5,6,7};    // arranjo 1
		int [] b = {0,1,2,3};          // arranjo 2
		String intersec = "";
 
		for(int i = 0; i < a.length; i++) {
			for(int y = 0; y < b.length; y++){
				if(a[i] == b[y])
					intersec += a[i] + ";";
			}
		}
 
		String[] intersecao = intersec.split(";");
 
		System.out.println(Arrays.asList(intersecao));
 
	}
}

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