Vetores2.java

import javax.swing.JOptionPane;

public class Vetores2 {
   public static void main(String[] args) {
        int a[] = {3, 10, 4, 2, 8};
        int[] b = {10, 4, 12, 3, 23, 1, 8};
        int[] c = new int[(int)Math.min(a.length, b.length)];
        int i=0;
         for(int f=0;f<a.length;f++){
              for(int k=0;k<b.length;k++){
                    if(a[f]==b[k]){
                    c[i] = a[f];
                    i++;
            }
          }
        }
        for (int x=0; x<i; x++){
           System.out.println(c[x]);
        }
       }
}