import Sav.*;
class WordGroup {
public static void main(String args[]) throws Exception {
	Association a = new Association("Soft");
	a.set("Java").set("Java object").set("Java tool").set("C++");
//a = {"Java", "Java object", "Java tool", "C++"}
	Concept cWord = new Concept("Java");
/** The line extracts a subassociation of concepts defined by the "Java " */
	a.see("Java ");//a = {"Java object", "Java tool"}
	a.see("");		//a = {"Java", "Java object", "Java tool", "C++"}
	a.see(cWord);	//a = {"Java", "Java object", "Java tool"}
	String s = cWord.getName();
	System.out.println(s + " GROUP" + '\n');
	Concept c = a.getFirst();
	while (c != null) {
		s = c.getName();
		System.out.println(s);
		c = a.getNext();
	}
	System.out.println("\nPress ENTER to finish.");
	System.in.read();
}//main()
}//class WordGroup