相關(guān)it視頻自修閣2test over

1、： 3.： 3.)publicclassDemo2publicicvoidmain(Stringargs) a =public voidj=;ja.length-1;i=0;ia.length-1-j ;temp =ai =ai+1=for i=0;ia.length temp =ai =ai+1=for i=0;i=1 & String String (String void setSex(String if(男.equals(s)|String return void if(a=1 & return public void 6. 在第五題的基礎(chǔ)上要求一旦創(chuàng)建人對象，人對象就有相應(yīng)的屬性值S

2、tring String (String void setSex(String if(男.equals(s)|public void 6. 在第五題的基礎(chǔ)上要求一旦創(chuàng)建人對象，人對象就有相應(yīng)的屬性值String String (String void setSex(String if(男.equals(s)|String return void if(a=1 & publicclassDemo7publicicvoidmain(Stringargs)b=coureturn age;public void public class Demo4 publicicvoidmain(Stringpub

3、lici=0;ia;i+)returnpublici=0;ia;i+)returnoMoneyExceptionextendspublicNoMoneyException(String classpublic e) e.prpublicicvoidmoney)NoMoneyException （10 分 classprivate sic Singles=newSingle(); private Single()Singlereturnclasspublic Singles1=Single.getInstance(); Single s2=classprivate sic Singles=new

4、Single(); private Single()Singlereturnclasspublic Singles1=Single.getInstance(); Single s2=(有圓,矩形)10分classvoidvoidclassextendsfinalpublic publicpublic voidpublic voidclassRectangleextendsfinalRectangle(doublepublic voidpublic voidclassDemo8public voidclassRectangleextendsfinalRectangle(doublepublic

5、voidpublic voidclassDemo8publicicvoidmain(Stringargs)Circleg1=new)Rectangleg2=newpublicicvoid(Graph11. 附加題（10分使用 java openDoor(和關(guān)門 closeDoor的功能。然后該公司對門進(jìn)行另外的功能設(shè)計(jì)防盜-bulletproof() package/*11. 附加題（10分使用 java openDoor(和關(guān)門 closeDoor的功能。然后該公司對門進(jìn)行另外的功能設(shè)計(jì)防盜-bulletproof() package/*使用java類描述 某某公司的門的實(shí)現(xiàn)過程 ，該公司的

6、門通門的所用屬性與openDoor()和關(guān)門closeDoor()的功能。然后公司對門進(jìn)行另外的功能設(shè)計(jì)防盜-theftproof()、防水-roof()要求利用繼承、抽象類、接口的知識(shí)設(shè)計(jì)該門-/extends 繼抽erface classclassvoidvoidvoidvoidvoidclassextendsDoorvoidvoidvoidvoidclassextendsDoorvoidoptenDoor()ln(我是開開voidcloseDoor()ln(我是關(guān)關(guān)publicvoidbulletproof()voidcloseDoor()ln(我是關(guān)關(guān)publicvoidbulletproof()ln(我可publicvoidtheftproof()ln(我可以防盜publicvoidroof()ln(我可以