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Selected Reading
Is final method inherited in Java?
No, we cannot override a final method in Java.
The final modifier for finalizing the implementations of classes, methods, and variables.
We can declare a method as final, once you declare a method final it cannot be overridden. So, you cannot modify a final method from a sub class.
The main intention of making a method final would be that the content of the method should not be changed by any outsider.
Example
class Demo{
public final void demoMethod(){
System.out.println("Hello");
}
}
public class Sample extends Demo{
public final void demoMethod(){
System.out.println("demo method");
}
public static void main(String args[]){
Sample obj = new Sample();
obj.demoMethod();
}
}
Output
C:\Sample>javac Sample.java
Sample.java:8: error: demoMethod() in Sample cannot override demoMethod() in Demo
public final void demoMethod(){
^
overridden method is final
1 error
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