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Tuesday 23 April 2013

Java code to calculate power of a number using recursion

Java program to calculate the power of a number using recursion.

class Power
 public static void main(String args[]) throws IOException
 BufferedReader br = new BufferedReader(new
 Power call = new Power();
 System.out.print("Enter number : ");
 int x = Integer.parseInt(br.readLine());
 System.out.print("Enter power : ");
 int y = Integer.parseInt(br.readLine());
 System.out.println("\n" +x +"^" +y +" = "+call.findPower(x,y));
 int findPower(int x, int y)
 return 1;
 else if(y==1)
 return x;
 return x*findPower(x,y-1);


1. Start

2. Accept a number from user.

3. Ask user to enter the power.

4. Using method of recursion, find the value.

5. Print this value.

6. End


Java code to calculate power of a number using recursion

Enter number : 4

Enter power : 3

4^3 = 64

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