타입_실수

 

double a = 10; // float =4byte double =8byte인데 double만 쓴다

double b = 3; // 실행= run as 후 java application

double c = a + b;

double d = a - b;

double e = a * b;

double f = a / b;

double g = a % b;



System.out.println(c);

System.out.println(d);

System.out.println(e);

System.out.println(f); // 실행 단축키 ctrl+f11

System.out.println(g); // 단축키 sysout(ctrl+space) 자동완성