Which of the following are entry controlled loops?

(a) for

(b) while

(c) do..while

(d) switch

1. only a
2. a and b
3. a and c
4. c and d

Write a program in Java to find the Fibonacci series within a range entered by the user.

Sample Input:
Enter the minimum value: 10
Enter the maximum value: 20

Sample Output:
13

Rewrite the following do while program segment using for:

x = 10; y = 20;
do
{
    x++;
    y++;
} while (x<=20);
System.out.println(x * y );