代码
提交代码
public class ArithmeticExpression2 {
public static void main(String[] args) {
// 前自增
System.out.println("------ 前自增 ------");
int num = 10;
System.out.println("++num = " + (++num));
System.out.println("num = " + num);
// 前自减
System.out.println("------ 前自减 ------");
num = 10;
System.out.println("--num = " + (--num));
System.out.println("num = " + num);
// 后自增
System.out.println("------ 后自增 ------");
num = 10;
System.out.println("num++ = " + (num ++));
System.out.println("num = " + num);
// 前自减
System.out.println("------ 前自减 ------");
num = 10;
System.out.println("num-- = " + (num --));
System.out.println("num = " + num);
}
}
运行结果