note

class MyMath2{//사칙연산2 public void add(long a, long b){ long result = a+b; System.out.println("add : "+result); } public void minus(long a, long b){ long result = a-b; System.out.println("minus : "+result); } public void multi(long a, long b){ long result = a*b; System.out.println("multi : "+result); } public void divide(double a, double b){ double result = a/b; System.out.println("divide : "+res..

class MyMath{//클래스로 사칙 연산하기 //덧셈 public long add(long a, long b){ return a + b; } //뺄셈 public long minus(long a, long b){ return a - b; } //곱셈 public long multi(long a, long b){ return a * b; } //나눗셈 public double divide(double a , double b){ return a / b; } } public class MyMathTest { public static void main(String[] args){ MyMath my = new MyMath(); long result = my.add(5L,6L); System.out.print..