{ return(name); } public String toString() { Dog1 d=new Dog1();
return("这只狗叫"+http://www.77cn.com.cn+"已经有"+d.age+"岁了。");
}
}
public class Kennel {
public static void main(String[] args) {
Dog1 dog1=new Dog1();
System.out.println("dog1的 name="+http://www.77cn.com.cn); System.out.println("dog1的 age="+dog1.age); Dog1 dog2=new Dog1("xiaobai",2); System.out.println("dog2的 name="+http://www.77cn.com.cn); System.out.println("dog2的age="+dog2.age); dog1.setName("diandian"); dog1.getName();
System.out.println("dog1的 name="+http://www.77cn.com.cn);
int age=dog1.DogAge(35);
System.out.println("age="+age);
String r=dog1.toString();
System.out.println("r="+r);
}
}
//////////////////////////////////////////////////////////
PP 4.4
方法1
public class Book {
/**
* @param args
*/
public static void main(String[] args) {
// TODO 自动生成方法存根 String info = null; Bookshelf book; Bookshelf INFO=new Bookshelf(info); INFO.BOOK(); System.out.println(INFO.toString());