第六章-面向对象(类类型参数)

 
	 /**
	  * 类类型
	  * @param args
	  */
	 public static void main(String[] args) {
		
		 
		 Car c1 = new Car();
		 Car c2 = new Car();
		 carPublicParm(c1);
		 carPublicParm(c2);
	}
	 
	 
	 public static void carPublicParm(Car c){//类类型变量,一直指向对象,要不指向空

		 c.number=4;
		 c.red="red";
		 System.out.println(c.number+"==="+c.red);
	 }