Java运算符

public class Demo03 {
    public static void main(String[] args) {
        // 算术运算符
        int a = 21;
        int b = 10;
        System.out.println(a+b);
        System.out.println(a-b);
        System.out.println(a*b);
        System.out.println(a/b);
        System.out.println(a%b);
        int c = a++;
        System.out.println(c);
        int d = ++a;
        System.out.println(d);

        //赋值运算符
        int e = 88;
        int f = 66;
        //关系运算符
        System.out.println(e>f);
        System.out.println(e=f);
        System.out.println(e<=f);
        System.out.println(e==f);
        System.out.println(e!=f);

        //位运算符
        //计算2*8最快的方法
        System.out.println(2<<3);
        System.out.println(16>>3);
        System.out.println(16>>>3);

        //条件运算符
        int g = 80;
        String type = g>60 ? "及格" : "不及格";
        System.out.println(type);

        //扩展赋值运算符
        System.out.println(a+=b);
        System.out.println(a-=b);
        System.out.println(a*=b);
        System.out.println(a/=b);
    }
}