package javatemplate1;


import java.util.HashSet;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
public class JavaTemplate1 {
    // example of 
       public static void main(String[] args) {
        // TODO code application logic here
        System.out.println("main block executing ");
     // Create a set :: set CAN'T HAVE DUPLICATE 
        // TREESET CAN HAVE DUPLICATE
TreeSet<String> ts1 = new TreeSet<>();
// = new HashSet<>();
ts1.add("A");ts1.add("B");ts1.add("C");
ts1.add("D");ts1.add("E");
//TreeSet<String> subset1 = s1.subSet("BLACK", "GRAY");
SortedSet<String> subset1 = ts1.subSet("B", "C");
subset1 = ts1.subSet("B",true, "C", true);
//ts1.
// Create another set
Set<String> s2 = new HashSet<>();
s2.add("C");s2.add("F");s2.add("G");s2.add("H");
//Print the elements of both sets
System.out.println("ts1: " + ts1);
System.out.println("subset1: " + subset1);
System.out.println("s2: " + s2);
// Perform set operations
performUnion( subset1, s2);
performIntersection(subset1,s2);
performDifference(subset1, s2);
testForSubset(subset1, s2);
testForSubset(ts1, subset1);
}
public static void performUnion(Set<String> s1, Set<String> s2) {
Set<String> s1Unions2 = new HashSet<>(s1);
s1Unions2.addAll(s2);
System.out.println("subset1 union s2: " + s1Unions2);
}
public static void performIntersection(Set<String> s1, Set<String> s2) {
Set<String> s1Intersections2 = new HashSet<>(s1);
s1Intersections2.retainAll(s2);
System.out.println("subset1 intersection s2: " + s1Intersections2);
}
public static void performDifference(Set<String> s1, Set<String> s2) {
Set<String> s2Differences1 = new HashSet<>(s2);
Set<String> s1Differences2 = new HashSet<>(s1);
s1Differences2.removeAll(s2);
s2Differences1.removeAll(s1);
System.out.println("subset1 difference s2: " + s1Differences2);
System.out.println("s2 difference subset1: " + s2Differences1);
}
public static void testForSubset(Set<String> s1, Set<String> s2) {
System.out.println("s2 is subset subset1: " + s1.containsAll(s2));
System.out.println("subset1 is subset s2: " + s2.containsAll(s1));
}
}