Topic: 一个小程序,大家看看它哪错了?谢谢了! |
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1.一个小程序,大家看看它哪错了?谢谢了! | Copy to clipboard |
Posted by: jakiey Posted on: 2005-03-29 17:39 class Plate { Plate (int i){ System.out.println("Plate constructor"); } } class Dinnerplate extends Plate { Dinnerplate(int i){ super(i); System.out.println("Dinnerplate constructor"); } } class Utensil{ Utensil(int i){ System.out.println("Utensil constructor"); } } class Spoon extends Utensil{ Spoon (int i){ super(i); System.out.println("Spoon constructor"); } } class Fork extends Utensil{ Fork (int i){ super (i); System.out.println("Fork constructor"); } } class Custom{ Custom(int i){ System.out.println("Custom constructor"); } } public class A extends Custom{ private Spoon sp; private Fork frk; private Dinnerplate pl; public A (int i){ super(i+1); sp=new Spoon(i); frk=new Fork(i); pl=new Dinnerplate(i); System.out.println("A constructor"); } public static void main(String[] args) { A x=new A(1); } } |
2.Re:一个小程序,大家看看它哪错了?谢谢了! [Re: jakiey] | Copy to clipboard |
Posted by: why Posted on: 2005-03-29 18:20 It looks okay, what's wrong? |
3.我看可以运行啊(运行环境:j2sdk1.4.2_05) [Re: jakiey] | Copy to clipboard |
Posted by: fenglinlly Posted on: 2005-03-29 22:03 这个程序没错 结果如下: C:\Documents and Settings\Xiaoming_Feng>cd C:\j2sdk1.4.2_05\bin C:\j2sdk1.4.2_05\bin>javac A.java C:\j2sdk1.4.2_05\bin>java A Custom constructor Utensil constructor Spoon constructor Utensil constructor Fork constructor Plate constructor Dinnerplate constructor A constructor C:\j2sdk1.4.2_05\bin> |
4.Re:一个小程序,大家看看它哪错了?谢谢了! [Re: jakiey] | Copy to clipboard |
Posted by: jakiey Posted on: 2005-03-30 08:09 不好意思!这个程序本身没有错误,可能我用jcreator编译的时候设置有问题。 现在好了。 |
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