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| 5. 17. 3. Class Object |
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- 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.
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| 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 |
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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());
}
}
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Dog |
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