运算符

package operator;
?
public class Dome1 {
    public static void main(String[] args) {
        int a = 10;
        int b = 20;
        System.out.println(a+b);
        System.out.println(a-b);
        System.out.println(a*b);
        System.out.println(a/(double)b);
?
    }
}
?

package operator;
?
public class Dome2 {
    public static void main(String[] args) {
        long a = 234567890l;
        int b = 123;
        short c = 12;
        byte d = 2;
        System.out.println(a+b+c+d);//long
        System.out.println(b+c+d);//int
        System.out.println(c+d);//int
        System.out.println(d/(double)c);
    }
}
?

package operator;
?
public class Dome3 {
    public static void main(String[] args) {
        //关系符结果：true/false
?
        int a = 23;
        int b = 24;
        
        System.out.println(a>b);
        System.out.println(a<b);
        System.out.println(a==b);
    }
}
?

运算符9

原文：https://www.cnblogs.com/luohzz/p/14683404.html