++--

package operator;

public class Demo4 {
public static void main(String[] args) {
//++自增 --自减 一元运算符
int a = 6;

    int b = a++;//执行完代码，先给b赋值，再自增
    //a=a+1
    System.out.println(a);

    int c = ++a;//执行代码前，先自增，再给c赋值

    System.out.println(b);
    System.out.println(c);
    //幂运算,2^3
    double pow =Math.pow(2,3);
    System.out.println(pow);
}

}