Power JAVA 6장 ) 조건과 반복 - LAB

<2016. 10. 3. 18:43>

 

Power JAVA 6장 ) 조건과 반복 - LAB

 

import java.util.*;
public class LAB {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int count;
		double PM = -1;
		double pi = 4;
		double mother;
		System.out.print("반복횟수 : ");
		count = input.nextInt();
		for (double i = 1; i <= count; i++) {
			pi = pi + PM * (4 / (1+(i*2)));
			PM *= -1;
		}
		System.out.printf("Pi = %f\n",pi);
	}
}