Ex6_4 코드
<![CDATA[
package org.javaro.lecture;
public class Ex6_4 {
public static void main(String[] args) {
System.out.println("조병수 "+"20191010"+"-"+"함수");
double x,y,area;
int idx;
x = 10;
y =20;
idx = 1;
area = fn_area(idx,x,y);
System.out.println("4각형 면적 = "+area);
idx = 2;
area = fn_area(idx, x, y);
System.out.println("3각형 면적 = "+area);
}
static double fn_area(int a, double b, double c) {
double result = 0;
if(a==1) {
result = b*c;
}else if(a ==2 ) {
result = 0.5*b*c;
}
return result;
}
}
]]>
실행창
