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What is 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
public class FinalMethodExample {
public final void display(){
System.out.println("Hello welcome to Tutorialspoint");
}
public static void main(String args[]){
new FinalMethodExample().display();
}
class Sample extends FinalMethodExample{
public void display(){
System.out.println("hi");
}
}
}
Output
FinalMethodExample.java:12: error: display() in FinalMethodExample.Sample cannot override display() in FinalMethodExample
public void display(){
^
overridden method is final
1 error
Updated on: 30-Jul-2019
10K+ Views
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