package org.javaro.lecture;
public class Ex6_2 {

public static void main(String[] args) {
System.out.println("조병수 "+"20191010"+"-"+"함수");
float num= 10.0f;
System.out.println("num = "+num);
rand(num);
num=20.0f;
System.out.println("num = "+num );
rand(num);
System.out.println("num = "+num);
}
static void rand(float newnum) {
newnum = newnum + 5.0f;
System.out.println("new num = "+newnum);
}

}