/*
   Lab : Lab6
   Day : Tuesday  [ 09 Sept 08 ]

   Problem Number: 01
   Problem Title : Computing x^y without any multiplication
   
   Theory : 
	The problem follows incremental method for writing code for power function
	Stages of programming are as follows
	1. Write a method "Add" to find sum of two number
           
        2. Use above function to write a method "Multiply" that calculates multiplication of two mumbers.
           Solution Strategy : to find a X b, add a to zero b number of times.

 	3. Use above finction "Multiply" to write a method "Power" that finds x^y. 
	   Solution Strategy : to find a ^ b, multiply a to one b number of times.
        
 */

class sol_lab6_prob01{

	//method "Add" to find sum of two number
	public static int Add(int a, int b)
	{
		return a + b ; 
	}

	//method "Multiply" that calculates multiplication of two mumbers
	public static int Multiply(int a, int b)
	{
		int i;
		int mulResult;

		mulResult = 0;
		for( i = 1 ; i <= b ; i = i + 1 )
 		{
			mulResult = Add( mulResult, a ) ;
		}
		return mulResult ; 
	}

	//method "Power" that finds x^y.
	public static int Power(int a, int b)
	{
		int i;
		int powResult;

		powResult = 1;
		for( i = 1 ; i <= b ; i = i + 1 )
 		{
			powResult = Multiply( powResult, a ) ;
		}
		return powResult ; 
	}

   	public static void main(String args[])
	{		
		int x;
		int y;

		x = 10; // Assign any test value here to x
		y = 5;  // Assign any test value here to y

		System.out.println("\n " + x + "^" + y + " :" + Power(x,y));
	}	
}