No, We tin strength out non override someone method inward Java, but similar we tin strength out non override static method inward Java. Like static methods, someone method inward Java is likewise bonded during compile fourth dimension using static binding past times Type information together with doesn't depends on what sort of object a item reference variable is holding. Since method overriding industrial plant on dynamic binding, its non possible to override someone method inward Java. someone methods are non fifty-fifty visible to Child class, they are alone visible together with accessible inward the class on which they are declared. someone keyword provides highest score of Encapsulation inward Java. Though you lot tin strength out hide someone method inward Java past times declaring to a greater extent than or less other someone method alongside same lift together with unlike method signature.
Overriding someone method inward Java - Testing
As per inward a higher house paragraph nosotros tin strength out non override someone method inward Java because its bonded during compile fourth dimension using static binding. Now let's examine this theory past times an illustration Java plan :
/***
* Java plan to demonstrate that private method tin strength out non hold upwards overridden inward Java.
* This Java programs calls both someone together with non someone method alongside tike class
* object on constructor of raise class.
* Only non someone method of Child class invoked spell someone method of
* Parent class is invoked, Which confirms that someone method tin strength out non hold upwards overridden inward Java
* and alone hold upwards hidden if nosotros declare same message inward Child class.
* @author
*/
public class PrivateMethodCanNotBeOverriden{
public static void main(String args[]) {
//shows that someone method tin strength out non hold upwards overridden inward Java
Parent raise = new Child();
}
}
class Parent{
public Parent(){
name();
normal();
}
private void name(){
System.out.printf("private method within Parent class inward Java %n");
}
public void normal(){
System.out.println("non someone method from Parent class tin strength out hold upwards overridden");
}
}
class Child extends Parent{
/*
* Private method tin strength out non hold upwards overridden inward Java, they tin strength out alone hold upwards hidden
*/
private void name(){
System.out.printf("private method within Child class inward Java %n");
}
@Override
public void normal(){
System.out.println("non someone overridden method from Child class ");
}
}
Output
private method within Parent class inward Java
non private overridden method from Child class
This illustration has ii class Parent together with Child each contains ii method alongside same lift together with same signtuare, 1 of them is private method together with other is non private, world inward this case. On constructor of Parent class nosotros telephone telephone both someone together with non someone method together with Output shows that overridding alone applies inward instance of non someone method. By the agency calling overriden method from constructor is considering every bit bad exercise together with I convey but shown hither to demonstrate that nosotros tin strength out non override someone method inward Java.
Further Learning
What is Inheritance inward Java alongside Example
No comments:
Post a Comment