What will be the output of the following Java code?

class overload 
{
    int x;
int y;
    void add(int a)
    {
        x =  a + 1;
    }
    void add(int a , int b)
    {
        x =  a + 2;
    }        
}    
class Overload_methods 
{
    public static void main(String args[])
    {
        overload obj = new overload();   
        int a = 0;
        obj.add(6, 7);
        System.out.println(obj.x);     
    }
}

What is method overriding in Java?

A. Redefining a superclass method in a subclass

B. Defining a new method with the same name in a subclass

C. Making a method private in a subclass

D. Hiding methods in a superclass

What is the purpose of method overloading in Java?

A. Creating static methods

B. Hiding methods in a superclass

C. Redefining methods in a subclass

D. Defining multiple methods with the same name but different parameters

In method overriding, which keyword is used in the child class to indicate that a method is intended to override a superclass method?

A. @OverrideMethod

B. @OverrideSuper

C. @Override

D. @OverrideParent

What happens when a subclass tries to override a final method from the superclass in Java?

A. The final method is hidden

B. It results in a compilation error

C. The final method becomes static

D. The final method is null