Convert the given loop into exit-controlled loop.

int a, b;
for(a = 10, b = 1; a >= 1; a -= 2){
b += a;
b++;
}
System.out.print(b);

Consider and give the output of the following program:

class report{
    int a, b;
    report(){
        a = 10;
        b = 15;
    }
    report(int x, int y){
        a = x;
        b = y;
    }
    void print(){
        System.out.println(a * b);
    }
    static void main(){
        report r = new report();
        r.print();
        report p = new report(4, 5);
        p.print();
    }
}

John was asked to write a Java code to calculate the surface area of a cone. The following code was written by him: Surface area of cone is A = πrl

l = $\sqrt{r^2 + h^2}$

class area{
    double area(double r, double h){
        double l, a;
        a = 22.0 / 7 * r * l;
        l = Math.sqrt(r * r + h * h);
        return a;
    }
}

Specify the type of the error in the above program, correct and write the program to be error free.

Consider the following array and answer the questions given below:

int a[] = {12, 10, 8, 4, 6, 2, 3, 5, 7};

(a) What is the output of System.out.print(a[0] + a[5]);?

(b) What is the index (subscript) of the largest element of the array a[]?