double.txt

public class Double {
    
    public static double circleLength(double radius) {
	double pi = 3.14159265359;
	int a = 2;
	return pi * radius * a;
    }

    public static int main() {

	double pi = 3.14159265359 * 2;
	int i = 0;
	while (i < 10) {
	    System.out.print("Circle with radius: ",i," has length: ");
            double q = circleLength(i);
	    System.out.println(q);
	    i = i + 1;
	}	
	
	compare(pi,3.14);
	compare(2*pi,6.29);
	compare(pi*pi+2*2, (2.0*((2)))+(((pi*pi))) + pi/pi - 1);
	
	return 0;
    }

    public static void compare(double a, double b) {
	System.out.print("Compare : ");        
	if (a > b) {
	    System.out.println(" ",a," > ",b);
	} else {
	    if (a < b) {
                System.out.println(" ",a," < ",b);	    
	    } else {
		if (a == b) {
		    System.out.println(" ",a," = ",b);		
		}
	    }	
	}
    }
    
}