Is Method polymorphism called Compile-time polymorphism?

To which of the following can the final keyword not be applied?

Which command can be used to check the Maven version?

Which methods initiates garbage collection?

Which Java package is used for analyzing code during runtime?

Which of these keywords are used for the block to handle the exceptions generated by try block?

public class operators {

public static void main(String[] args)

{

int a = 20, b = 10, c = 0;

a = ++b + ++c;

System.out.println(a);

}

}

class test{

public static void main (String[] args) {

   int a=7;

   int b=15;

   int c=~a|~b;

   System.out.print(c&a);

}

}

Which of the following statements about constructors is false?

What is the output of this program?

    class Output 

    {

         public static void main(String args[]) 

         {

             double x = 2.14;  

             int y = (int) Math.abs(x);

             System.out.print(y);

         }

    }