Question

How to use final keyword work in Java

Answer 1

public class MyClass {

    public static void main(String args[]) {
        final int x = 3452;
        
        // x = 8; // error: cannot assign a value to final variable x

        System.out.println(x);
        
        int y = x * 2;
        
        System.out.println(y);
    }
}
  
  
  
  
/*
run:
   
3452
6904
   
*/

 

70+ SQL courses for beginners and professionals