The Object class is the parent class of all the classes in java by default.In
other words, it is the topmost class of java.
The Object class is beneficial if you want to refer any object whose type you
dont know. Notice that parent class reference variable can refer the child
class object, know as upcasting.// objects;
1. The object is an instance of a class.
2. Object is a physical entity
3. Object allocates memory space whenever they are created.
4. You can create more than one object using a class.
5. Objects provide life to the class. // Default behavior of toString() is to print class name, then
// @, then unsigned hexadecimal representation of the hash code
// of the object
public String toString()
{
return getClass().getName() + "@" + Integer.toHexString(hashCode());
}