我是第" + Cust.count + "名顾客，我叫" + c

public class Cust {// 顾客类
static int count = 0;// 共享的属性：人数
String name;// 名称属性

public Cust(String name) {
    this.name = name;// 记录名称
    count++;// 人数递增
}

public static void main(String[] args) {
    Cust c1 = new Cust("tom");
    System.out.println("我是第" + Cust.count + "名顾客，我叫" + c1.name);

    Cust c2 = new Cust("张三");
    System.out.println("我是第" + Cust.count + "名顾客，我叫" + c2.name);

    Cust c3 = new Cust("狗蛋儿");
    System.out.println("我是第" + Cust.count + "名顾客，我叫" + c3.name);
}

}