| 5.17.3.Class Object Previous/Next |
|
|
- All the classes defined are subclasses by default.
- Object is a superclass of every class.
- The inheritance happens automatically.
- Your classes will inherit members from the class Object.
|
| Method | Purpose | | toString() | returns a string describing the current object | | equals() | compares two objects | | getClass() | returns a Class that identifies the class of the current object. | | hashCode() | calculates a hashcode for an object | | notify() | wakes up a thread associated with the current object. | | notifyAll() | wakes up all threads associated with the current object. | | wait() | causes a thread to wait |
|
class Dog{
public Dog(String aType){
}
}
public class MainClass{
public static void main(String[] a){
Dog d = new Dog("a");
Class objectType = d.getClass();
System.out.println(objectType.getName());
}
}
|
|
Dog |