Java优学网算术运算符详解：从基础语法到实战应用，轻松掌握编程核心技能

int result = operand1 operator operand2;

double originalPrice = 299.0; double discount = 0.2; double finalPrice = originalPrice * (1 - discount);

// 练习1：温度转换 double celsius = 25.0; double fahrenheit = celsius * 9/5 + 32;

// 练习2：购物找零 double total = 188.5; double payment = 200.0; double change = payment - total;