1 public class Car{ 2  3     String name; 4     int age; 5  6     public Car(String name, int age){ 7         System.out.println("执行构造器"); 8         this.name = name; 9         this.age = age;10     }11     12     static {13         System.out.println("执行静态初始化块");14     }    15 16     {17         System.out.println("执行非静态初始化块");18         wih = 95.5;19     }20     double wih;21     22     public String toString(){23         System.out.println("toString方法被执行了");24         return "名字是[" + name +"   年纪是:" + age + "   体重是：" + wih + "]";25     }26 }27 28 public class Test{29     public static void main(String[] args){30         Car c1 = new Car("小X", 17);31         System.out.println(c1);32         Car c2 = new Car("小天", 18);33         System.out.println(c2);34     }    35 }