java recursion

1. What output will be produced by the following code? public class Question1 public static void main Stringl args) methodA(3): public static void methodAint n) If (n 1) System.out.println('BT else System.out.printin( R); 2. What is the output produced by the following code? public class Question2 public static void main String[ ] args) methodB(3) public static void methodB int n) if (n 1) System.out.printin'B else System.out.printin( R); methodBin 1 3. Write a recursive definition for the following method: f" Precondition: n 1. Displays the symbol n times on one line and then advances to the next line public static void displaysharps(int nl For example, the call displaySharps(3) is equivalent to System-out.printini"###..: If you have trouble writing this methad, simplify it so that the output does not advance to the next line. For that simpler case. you need not worry about the distinction between print and println. In the simpler case, you use only print. After doing the simpler case, try to do the exercise as stated. 4. Write a recursive definition for the following method: Precondition: n >= 1. Displays the n! on one line and then advances to the next line. Use this method to display the factorial of all numbers from n to 1. public static void displayFactorial(int n For example, the call displayFactorial(3) is equivalent to 3:=3x2x1