statesBag is type BagInterface. What is printed when the following statements are run?

System.out.println(statesBag.isEmpty()); statesBag.add("alaska"); statesBag.add("california"); statesBag.add("delaware"); statesBag.add("california"); statesBag.add("georgia"); statesBag.add("delaware"); statesBag.add("washington"); statesBag.add("delaware"); statesBag.add("iowa"); System.out.println(statesBag.isEmpty()); System.out.println(statesBag.getCurrentSize()); System.out.println(statesBag.remove("california")); System.out.println(statesBag.contains("hawaii")); System.out.println(statesBag.getCurrentSize()); System.out.println(statesBag.remove("washington")); System.out.println(statesBag.remove("new york")); System.out.println(statesBag.getCurrentSize()); System.out.println(statesBag.remove("california")); System.out.println(statesBag.remove("california")); System.out.println(statesBag.getCurrentSize()); System.out.println(statesBag.getFrequencyOf("delaware")); System.out.println(statesBag.getFrequencyOf("hawaii")); statesBag.clear(); System.out.println(statesBag.getCurrentSize()); System.out.println(statesBag.isEmpty());