We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Prepare
  2. Databases
  3. Relational Algebra
  4. Basics of Sets and Relations #2
  5. Discussions

Basics of Sets and Relations #2

  • mehmetjavaderst1
     + 1 comment

    import java.util.Set; import java.util.HashSet;

    public class IntersectionOfSets {

    public static void main(String[] args) {
    // Create two sets
    Set<Integer> setA = new HashSet<>();
    setA.add(1);
    setA.add(2);
    setA.add(3);
    setA.add(4);
    setA.add(5);
    setA.add(6);

    Set<Integer> setB = new HashSet<>();
    setB.add(2);
    setB.add(3);
    setB.add(4);
    setB.add(5);
    setB.add(6);
    setB.add(7);
    setB.add(8);

    // Find the intersection of the two sets
    Set<Integer> intersection = new HashSet<>(setA);
    intersection.retainAll(setB);

    // Print the number of elements in the intersection
    System.out.println(intersection.size());
}

    }