class Demo1_Operator {
	public static void main(String[] args) {
		//赋值运算符
		int a = 3;			//把右边的常量值赋值给左边的变量.左边必须是变量

		a += 4;				//a = a + 4;

		a -= 2;				//a = a - 2;

		a *= 10;			//a = a * 10;

		a /= 10;			//a = a ÷ 10 

		System.out.println("a = " + a);
	}
}