1. 运算符 1. 算术运算符:+,-,*,/,%,++,-- //二元运算符 int a = 10; int b = 20; int c = 25; int d = 25; System.out.println(a + b);//30 System.out.println(a - b);//-10 System.out.println(a * b);//200 System.out.println(a / (double)b);//0.5 //取余,模运算 int x = 10; int y…