JAVA Programming Assignment

package labs.lab4; public abstract class LibraryItem { private String title; private boolean checkedOut; public LibraryItem(String title) { this.title = title; checkedOut = false; } public String getTitle() { return title; } public boolean isCheckedOut() { return checkedOut; } public void setCheckedOut(boolean checkedOut) { this.checkedOut = checkedOut; } public abstract String checkOut(); public void checkIn() { checkedOut = false; } public String toString() { return title; } }