Problem 27 - Contoh Overriding

public class BaseClass
{
    public void methodToOverride() //Base class method
    {
         System.out.println ("I'm the method of BaseClass");
    }
}
public class DerivedClass extends BaseClass
{
    public void methodToOverride() //Derived Class method
    {
         System.out.println ("I'm the method of DerivedClass");
    }
}

public class TestMethod
{
     public static void main (String args []) {
        // BaseClass reference and object
        BaseClass obj1 = new BaseClass(); 
        // BaseClass reference but DerivedClass object
        BaseClass obj2 = new DerivedClass(); 
        // Calls the method from BaseClass class
        obj1.methodToOverride(); 
        //Calls the method from DerivedClass class
        obj2.methodToOverride(); 
     }
}