package javaStudy;

public class InnerExam3 {
    public void exec() {
        class Cal{
            int value = 0;
            public void plus() {
                value++;
            }
        }
        Cal cal = new Cal(); ---①
        cal.plus(); ---②
        System.out.println(cal.value); ---③
    }

    public static void main(String[] args) {

    }
}