package javaStudy;
public class InnerExam3 {
    public void exec() {
        class Cal{
            int value = 0;
            public void plus() {
                value++;
            }
        }
        Cal cal = new Cal();  
        cal.plus(); 
        System.out.println(cal.value);  
    }
    public static void main(String[] args) {
        InnerExam3 t = new InnerExam3();
        t.exec();
    }
}