public class MStoreSomethingParMain { public static void main(String[] args) { StoreSomethingParCon<String> a = new StoreSomethingParCon("I'm a String"); System.out.println(a.get()); a.set("new String"); System.out.println(a.get()); StoreSomethingPar<String> b = new StoreSomethingPar(); b.set("I'm var b"); System.out.println(b.get()); b.set("new b"); System.out.println(b.get()); } }