2016年最本安卓就業(yè)課件細(xì)分版14android java實(shí)驗(yàn)手冊(cè)

目第一章開發(fā)環(huán) 實(shí)驗(yàn) 第二章標(biāo)識(shí)符與關(guān)鍵 實(shí)驗(yàn) 第一個(gè)Java應(yīng)用程 實(shí)驗(yàn) import的用 第三章基本數(shù)據(jù)類 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第四章方法初 實(shí)驗(yàn)1方法的使 第五章運(yùn)算符與表達(dá) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第六章分支語 實(shí)驗(yàn) if分支語 實(shí)驗(yàn) if多重嵌套語 實(shí)驗(yàn) switch用 第七章循環(huán)語 實(shí)驗(yàn) for循 實(shí)驗(yàn) while循 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第八章一維數(shù) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第九章二維數(shù) 實(shí)驗(yàn)1測(cè)定數(shù)組的長(zhǎng) 第十章類與對(duì)象(上 實(shí)驗(yàn) 第十一章類與對(duì)象(下 實(shí)驗(yàn) 第十二章構(gòu)造方 實(shí)驗(yàn) 第十三章javaAPI常用類介 實(shí)驗(yàn) 實(shí)驗(yàn) equals所比較的內(nèi) 第十四章Java的自動(dòng)裝箱和拆 實(shí)驗(yàn) 第十五章 實(shí)驗(yàn) 實(shí)驗(yàn) 第十六章繼 實(shí)驗(yàn) 繼 實(shí)驗(yàn) 繼承 實(shí)驗(yàn) 繼承 實(shí)驗(yàn) 繼承 實(shí)驗(yàn) 繼承 實(shí)驗(yàn) 繼承 實(shí)驗(yàn) 繼承 第十七章權(quán) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) Final修飾 實(shí)驗(yàn) Final修飾變 實(shí)驗(yàn) Final修 型變 實(shí)驗(yàn) Final修飾方 第十八章抽象 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第十九章接 實(shí)驗(yàn) 實(shí)現(xiàn) 實(shí)驗(yàn) 第二十章多 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第二十一章內(nèi)部 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第二十二章異 實(shí)驗(yàn) 第二十三章 實(shí)驗(yàn) 第二十四章字節(jié) 實(shí)驗(yàn) 第二十五章字符 實(shí)驗(yàn) 第二十六章對(duì)象序列 實(shí)驗(yàn) 第二十七章集合初 實(shí)驗(yàn) 第二十八章集合 實(shí)驗(yàn) 洗 第二十九章集合 實(shí)驗(yàn) HashSet的使 第三十章集合 實(shí)驗(yàn) Hash的使 實(shí)驗(yàn) 第三十二章：網(wǎng)絡(luò)Socket通 實(shí)驗(yàn) 第三十三章：xml與反 實(shí)驗(yàn) 實(shí)驗(yàn) dom解 第三十四章設(shè)計(jì)模 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第三十五章數(shù)據(jù) 第三十六章Web開 實(shí)驗(yàn) 實(shí)驗(yàn) 第三十七章Web開 實(shí)驗(yàn) JDBC編 實(shí)驗(yàn) HttpURLConnection通 實(shí)驗(yàn) publicclassTestpublicclassTestpublicstaticvoidmain(String[]} 第一個(gè)Java應(yīng)用程publicclassCommentpublicclassComment*publicstaticvoidmain(String[]//System.out.println("這行將不會(huì)被編譯、執(zhí)行}} import//importimport//importpublicclassTestpublicstaticvoidmain(String[]{Stustu=newStu(100);}}publicclasspublicclass{privateintage;publicStu(intage){this.age=}publicvoidsetAge(int{this.age=}publicint{return}} publicpublicclassCharTestpublicstaticvoidmain(String[]args)charc1='a';charc2='你';charc3='5';charc4'\u0001';System.out.println(c1+c3);}}「 publicclassDataOperpublicclassDataOperpublicstaticvoidmain(String[]args)doubled;inti=123;d=i;System.out.println("d="+doubled1=intj=(int)d1;System.out.println("j="+j);}}d=j= publicclassDataInExpresspublicclassDataInExpresspublicstaticvoidmain(String[]args)shorts=longl=System.out.println("輸出結(jié)果是："+s*byteb=2;charc='a';intd=b+intifloatj=;}} publicclassGlobalVarsstaticinta100;//doubled=12.34;//全局實(shí)例變量（成員變量}classTestpublicstaticvoidmain(String[]args)//必須實(shí)例化GlobalVars后才可以 GlobalVarsgv=newGlobalVars();}} publicclassGlobalVarpublicclassGlobalVarintpublicvoid{System.out.println(i+}publicstaticvoidmain(String[]args)GlobalVarGlobalVargv=newGlobalVar();}}1方法的使用publicclass{Stringpublicvoid{}publicvoidbMethod(String{str=System.out.println("stris:"+}publicintcMethod(inta,intb)intc=a+return}publicstaticvoidmain(String[]{DefinedMethoddm=newDefinedMethod(); inti=dm.cMethod(1,2);}}stris:oworld publicclassDivTestpublicclassDivTestpublicstaticvoidmain(String[]{System.out.println("21.0/0="+21.0/0);System.out.println("21/0="+21/0);}}21.0/0=Exceptioninthread"main"java.lang.ArithmeticException:/byzeroatcom.fs.test.DivTest.main(DivTest.java:7) publicpublicclassModeTestpublicstaticvoidmain(String[]args)inti=whilewhile(i<{i=System.out.println("i="+i);}}}i=i=i=i=i= publicclassShortCircuitpublicclassShortCircuitpublicbooleanreturn1<}publicbooleanreturn1==}publicbooleanreturn1>}publicstaticvoidmain(String[]{ShortCircuitsc=newShortCircuit();System.out.println("System.out.println(sc.aMethod()&&sc.bMethod()&&}} publicclass privateintage; (int_age){age=}publicvoidsetAge(int{age=}publicintgetAge()return}}publicclassTest publicstaticvoidpublicstaticvoidmain(String[]args)inta,b=a=b=System.out.println("a="+a);System.out.println("b="+p1=p2=p1;System.out.println("p1ageis:"+System.out.println("p2ageis:"+}}a=b=p1ageis:111p2ageis: publicclassStringPluspublicclassStringPluspublicstaticvoidmain(String[]args)doublex=9.99;doubley=1;doublez=x+y;Strings="Priceis:"+x;Stringt="TotalPriceis:"+z;System.out.println(""+x+y);System.out.println(x+y+"");}}}Priceis: if分支語publicclassTestpublicclassTestpublicstaticvoidmain(String[]args)inta=10;intb=5;if(a>b){System.out.println("比較結(jié)果是：a>}elseSystem.out.println("比較結(jié)果是：a<}}}比較結(jié)果是：a publicclassTestpublicclassTestpublicstaticvoidtestMethod(inta,intb,intc)if(a>b)if(a>c)System.out.println("a是最大的}elseif(a<{System.out.println("b<a<}elseSystem.out.println("b<a=}}elseif(a<b)if(a>c)System.out.println("c<a<}elseif(a<}elseSystem.out.println("a=c<}}elseif(a>c)System.out.println("c是最小的}elseif(a<{System.out.println("a=b<}elseSystem.out.println("a=b=}}}publicstaticvoidmain(String[]testMethod(20,5,}}b<a< switch用publicclasspublicclassSwitchCaseDemopublicstaticvoidtestMethod(inta)intresult=switch{caseSystem.out.println("ThisisA");result=a;case2:System.out.println("ThisisB");result=a*a;case3:System.out.println("ThisisC");result=a*a*a;case4:System.out.println("thisisD");result=a%4;result=}System.out.println("a="+a+"result="+}publicstaticvoidmain(String[]args)}}Thisisa= result= for循publicclassTestpublicclassTestpublicstaticvoidmain(String[]args)for(inti=0;i<10;{System.out.println("i="+}}}i=i=i=i=i=i=i=i=i=i= while循掌握whilepublicclassTestpublicclassTestpublicstaticvoidmain(String[]args)inti=while(i<{System.out.println("i="+i);i++;}}}i=i=i=i=i=i=i=i=i=i= publicclassTestpublicclassTestpublicstaticvoidmain(String[]args)intinti=doSystem.out.println("i="+i);}while(i<}}i=i=i=i=i=i=i=i=i=i= publicclassTestpublicclassTestpublicstaticvoidmain(String[] for(inti=1;i<10;i++)for(intj=1;j<5;{System.out.println("i*j="+i*j);if(j==3)breakouter;//根 }}}}i*j=1i*j=2i*j= publicclassTestpublicclassTestpublicstaticvoidmain(String[]{for(inti=1;i<5;i++)for(intj=1;j<3;{System.out.println(i+"*"+j+"="+i*j);continueouter;//根據(jù) }}}}1*1=2*1=3*1=4*1= publicclassTestpublicclassTestpublicstaticvoidmain(String[]args)int[]a=newint[5];a[0]=1;a[1]=a[2]=a[3]=a[4]=for(inti=0;i<a.length;{}}} publicclassTestpublicclassTestpublicstaticvoidmain(String[]args)int[]a=newint[]b=for(inti=0;i<a.length;{}}for(inti=0;i<b.length;{}}} publicclassTestpublicclassTestpublicstaticvoidsortMethod(int[]{for(inti=0;i<a.length;{System.out.print(a[i]+"}}publicstaticvoidmain(String[]args)int[]array=}}4910122945 publicclassTestpublicclassTestpublicstaticvoidfindMethod(int[]a,int{for(inti=0;i<a.length;{System.out.print(a[i]+"}intres=Arrays.binarySearch(a,b);System.out.println("該元素的位置是：res);}publicstaticvoidmain(String[]args)int[]array=findMethod(array,}}4910122945 publicclassTestpublicclassTestpublicstaticvoidmethod(Strings,String...name)for(inti=0;i<name.length;{}}}publicstaticvoidmain(String[]args)method("a","孫悟空","豬八戒","沙悟凈","唐僧}}publicpublicclass publicstaticvoidmain(Stringarg[{intintlen1[]=newint[2];intlen2[]=newint[][]inta2[][{len1[i]=a1[i].length;a1System.out.println("a1[}{for(j=0;j<len1[i];j++)System.out.print(""+a1[i][j]);}{len2[i]=a2[i].length;}{for(j=0;j<len2[i];j++)System.out.print(""+a2[i][j]);}a2=a1;//將a1數(shù)組賦給a2{len1[i]=a1[i].length;}{for(j=0;j<len1[i];j++)System.out.print(""+a1[i][j]);}{len2[i]=a2[i].length;}{for(j=0;j<len2[i];j++)System.out.print(""+a2[i][j]);}}}a1[ a2[ a1[ a2[ publicclasspublicclass{publicvoidreceive(inti){System.out.println("Receivedoneintdata");System.out.println("i="+i);}publicvoidreceive(float{System.out.println("Receivedonefloatdata");System.out.println("f="+f);}publicvoidreceive(String{System.out.println("ReceivedaString");System.out.println("s="+s);}publicstaticvoidmain(String[]{MethodOverloadingm=newMethodOverloading();}} public{intage; System.out.println("name="+name+" } (String =theName;System.out.println("name="+name+" } (StringtheName,int (StringtheName) age= ;//效果一樣this.age= System.out.println("name="+name+"age="+age+" }publicString{return}publicgetAge(){return}publicString { }}publicclass }}publicclass{publicintage;//publicStu(int{this.age=}publicvoidsetAge(int{this.age=age;}publicvoid{System.out.println("age="+}publicstaticvoidmain(String[]{Stustu1=newStu(10);Stustu2=newStu(20); publicpublicclasspublic}publicA(String}}publicpublicclassstaticargs){main(String[]a_1=newA();// }javaAPI publicpublicclassTestEqualpublicstaticvoidmain(String[]args)inta=100;intb=100;System.out.println("a==b?Integerc=newIntegerd=newSystem.out.println("c==d?}}a==b?truec==d? 掌握equalspublicclassTestpublicclassTestpublicstaticvoidmain(String[]{Strings1="abc";Strings2="abc";Stringss1=" Strings3=newString("abc");booleanb=s1==s2;b=s1==s3;b=s1.equals(s3);}}Java publicclasspublicclasspublicstaticvoidmain(String[]args){Integeri=newInteger(10);Integerj=newInteger(10);Strings="11"+"12";intd=Integer.parseInt(s);}} static變量及publicclasspublicclass{publicstaticintx;publicstaticinty;publicintz;publicstaticvoidmain(String[]{StaticTestt1=newStaticTest();StaticTestt2=newStaticTest();t1.x=10;t1.y=}} publicclassStaticTest1 staticstaticSystem.out.println("Hi}publicvoidprint() }publicstaticvoidmain(Stringargs{StaticTest1st1=newStaticTest1();st1.print();StaticTest1st2=newStaticTest1();}} publicpublicclassEntrypublicstaticvoidmain(String[]{EntrymEntry=newEntry();}} classclassAnimal}classCatextendsAnimal} publicpublicclassEntrypublicstaticvoidmain(String[]{AnimalmAnimal=new }}classAnimal}classCatextendsAnimalpublicvoidjump(){System.out.println("Cat} publicclasspublicclassEntrypublicstaticvoidmain(String[]{CatmCat=new}}classAnimalpublicAnimal(){System.out.println("Animal}classCatextendsAnimalpublicCat(){System.out.println("Cat}publicpublicclassEntrypublicstaticvoidmain(String[]{CatmCat=new}}classAnimal}classCatextendsAnimalpublicCat(){System.out.println("Cat}publicpublicclassEntrypublicstaticvoidmain(String[]args)CatCatmCat=new}}classAnimal}classCatextendsAnimalpublicCat()}publicclasspublicclassEntrypublicstaticvoidmain(String[]{CatmCat=new}}classAnimal}classCatextendsAnimalpublicCat()} publicpublicclassEntrypublicstaticvoidmain(String[]{CatmCat=newCat();}}classAnimal}classCatextendsAnimalpublicvoid} publicpublicclassEntrypublicstaticvoidmain(String[]{CatmCat=newCat();}}classAnimal}classCatextendsAnimalpublicvoidspeak(){System.out.println("Cat} publicclassEntrypublicstaticvoidmain(String[]{CatmCat=newCat();}}classAnimal}classCatextendsAnimalpublicvoid} publicpublicclassEntrypublicstaticvoidmain(String[]{AnimalmAnimal=newmAnimal.a=8;AnimalmAnimal1=new}}class{privateint privatevoidanimalMethod(){a=privateAnimal(int}classCatextendsAnimalvoidcatMethod(){a=void} 類publicpublicclass{intvoidanimalMethod(){a=Entry(Entry(int}classclassApublicvoid EntrymEntry=new}}publicclasspublicclassClassAextendsClassA() //TODOAuto-generatedconstructorthis.a=}voidmethod() a=}} publicpublicclassEntryprotectedprotectedintprotectedvoidanimalMethod(){a= protectedEntry(int}publicclasspublicclassClassAextendsClassA() //TODOAuto-generatedconstructorthis.a=}voidmethod() a=}}classClassBvoidmethod()EntrymEntry=new}} publicpublicclassEntrypublicpublicintpublicpublicvoidanimalMethod(){a=publicEntry(int}publicclasspublicclassClassAextendsClassA() //TODOAuto-generatedconstructorthis.a=}voidmethod() a=}}classClassBvoidmethod()EntrymEntry=new}} Final修飾publicpublicfinalclassParent}classChildextendsParent}} publicclasspublicclassParentfinalinta=method(){finalintb;inta=} Final修飾型變publicpublicclassParentfinalClassAa=newvoida.b=}voidvoidmethod1()a=new}}classClassAint} publicpublicclassParentfinalvoid}}classChildextendsParentvoid} publicclassParent publicpublicstaticvoidmain(String[]{CatmCat=newCat();}}classAnimalvoid}classCatextends{voideat()//TODOAuto-generatedmethodstubSystem.out.println("Cateat");}} publicpublicclassParentpublicstaticvoidmain(String[]{AnimalmAnimal=new}}classAnimalvoid}classCatextends{voideat()//TODOAuto-generatedmethodstubSystem.out.println("Cateat");}voidvoid{System.out.println("Cat} publicclasspublicclassParentpublicstaticvoidmain(String[]args)Cylindercylinder=newdoublev=cylinder.getVolume();System.out.println(""+v);}}classColumndoublevoidsetH(doubleh){this.h=doubledoublegetVolume()returngetArea()*}}classCylinderextendsColumndoublevoidsetR(doubler){this.r=doublegetArea()return3.14*r*}} classclassGlobalpublicstaticinta=publicstaticfinalintMSG_FLAG=} interfaceinterfaceMyInterfacepublicvoid}classClassAimplementsMyInterfacepublicvoidmethod()//TODOAuto-generatedmethod}} publicclasspublicclassParentpublicstaticvoidmain(String[]{MyInterfacemMyInterface=new}}interfaceMyInterfacepublicvoid}classClassAimplements{publicvoidmethod()//TODOAuto-generatedmethod}publicvoidmethod1()}} publicpublicclassParentpublicstaticvoidmain(String[]{Workerworker=newworker.setStrategy(newstrategy2());}}interfacestrategyInterfacepublicvoid}classstrategy1implements{publicvoidexcute()//TODOAuto-generatedmethodstub}}classstrategy2implements{publicvoidexcute()//TODOAuto-generatedmethodstub}}class{strategyInterfacepublicvoidsetStrategy(strategyInterface{strategy=}}} publicpublicclassParentpublicstaticvoidmain(String[]{Catcat=newCat();System.out.println(catinstanceofCat);System.out.println(catinstanceofAnimal);System.out.println(catinstanceofAction);System.out.println(catinstanceofBosiCat);}}classAnimalinterfaceActionclassCatextendsAnimalimplementsclassBosiCatextends publicpublicclassParentpublicstaticvoidmain(String[]{Driverdriver=newCarcar=newCarcarBenze=newBenzeCar();}}classCarpublicvoidrun(){System.out.println("CarISRUNNING}classJDCarextendspublicvoidrun(){System.out.println("JDISRUNNING}classBenzeCarextendspublicvoidrun(){System.out.println("BenzeCarISRUNNING}classDriverpublicvoiddrive(Car} publicpublicclassParentpublicstaticvoidmain(String[]{JDFactorymJDFactory=newJDFactory();CarmJDCar=CarmBenzeCar=mJDFduct("Benze");}}classJDFactorypublicCarproduct(Stringreturnnew}}if(carName.equals("Benze")){returnnewBenzeCar();}elsereturnnew}}}classCarpublicvoidrun(){System.out.println("CarISRUNNING}classJDCarextendspublicvoidrun(){System.out.println("JDISRUNNING}classBenzeCarextendspublicvoidrun(){System.out.println("BenzeCarISRUNNING publicpublicclassParentpublicstaticvoidmain(String[]{JDFactorymJDFactory= CarmJDCar=JDCarJDCar=(JDCar)mJDCar;}}classJDFactoryreturnnew}if(carName.equals("Benze")){returnnewBenzeCar();}elsereturnnew}}}classCarpublicvoidrun(){System.out.println("CarISRUNNING}classJDCarextendspublicvoidrun(){System.out.println("JDISRUNNINGpublicvoidGPS(){System.out.println("JDGPS}classBenzeCarextendspublicvoidrun(){System.out.println("BenzeCarISRUNNING publicpublicclassParentintpublicstaticvoidmain(String[]args)}publicvoidmethod()inta=classInnerpublicvoidinnerMethod() aa= b=}}InnerinnernewInner();}} publicpublicclassParentintpublicstaticvoidmain(String[]args)}classInnerpublicvoidmethodA()b=}}publicvoidmethodB()} publicclasspublicclassParentintpublicstaticvoidmain(String[]args)}classInnerpublicvoidmethodA()b=}}staticclassStaticInner}publicvoidmethodB()Innerinner=new}}classClassApublicvoidmethodC()ParentmParent=newParent();Parent.Innerinner=mParent.newParent.StaticInnersInner=new}} 掌握內(nèi)部類的創(chuàng)建方publicpublicclassParentpublicstaticvoidmain(String[]args) ClassAmClassA=new{publicvoidmethodA()//TODOAuto-generatedmethod} ClassBmClassB=new{voidmethodB()//TODOAuto-generatedmethod} interfaceCmInterfaceC=new{publicvoidmethodC()//TODOAuto-generatedmethod}}}classClassApublicvoidmethodA()}}classClassBvoid}interfaceinterfaceinterfaceCpublicvoid} 掌握內(nèi)部類實(shí)現(xiàn)回publicclasspublicclassParentpublicstaticvoidmain(String[]args) BossmBoss=new{voidnotifyBoss()//TODOAuto-generatedmethod}}}classBosspublicvoidsendStaffToWork(Staff{}void}classStaffpublicvoidwork(Bossboss){}catch(InterruptedExceptione)}}} publicclassMainpublicclassMainpublicstaticvoidmain(String[]{inta=5;intb=1;intc=0;try{c=a/}catch(Exceptionex)c=a/}}}publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]publicstaticvoidmain(String[]{intdata[]={1,2,3,4,5,6,8tryintnumber=data[8];}catch(Exceptionex)}}publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]{intdata[]=null;try{intnumber=System.out.println("第一次運(yùn)行的數(shù)據(jù)是}catch(NullPointerException{data=newfor(inti=0;i<5;{data[i]=}intnumber=System.out.println("第二次運(yùn)行的數(shù)據(jù)是}}}publicclassMainpublicclassMainpublicstaticvoidmain(String[]args)intnumber=10;ifintnumber=10;if(number>3){trythrownew}catch(MyExceptione)}}}}classMyExceptionextends{publicMyException()}publicMyException(String{}} publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]args)Stringpath=Stringpath=Filefile=new} *@paramstaticprivatevoidgetFile(Filefile)Filefile2[]=intlength=for(inti=0;i<length;i++)if(file2[i].isFile()){}else}}}} publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]args)//指明文件所在的路徑1Stringpath"D://tt.txt";FilefilenewFile(path);try{ FileInputStreamfileIn=new BufferedInputStreambufferIn=newbytedata[]=newbyte[100];intn=0;while((n=bufferIn.read(data,0,100))!=-1)Stringbuffer=new}}catch(FileNotFoundException{}catch(IOException{}}}}publicclassMainpublicclassMainpublicstaticvoidmain(String[]args)Stringpath="D://tt.txt";Filefile=newtryFileOutputStreamfileOut=newBufferedOutputStreambufferOut=newbufferOut.write("向里面寫數(shù)據(jù)bufferOut=null;fileOut=null;file=}catch(FileNotFoundException{}catch(IOException{}}} publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]args)Stringpath= Filefile=newFile(path);try{ FileReaderreader=newcharinfor[]=newchar[10];intn=Stringdata= while((n=reader.read(infor))!=-1)Stringbuffer=newString(infor);data+=buffer;}}catch(FileNotFoundException{}catch(IOException{}}}publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]args)Stringpath= Filefile=newtryFileWriterwriter=newFileWriter(file);}catch(IOException{}}}！ publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]{StudentStringpath= Filefile=newtry FileInputStreaminput=new ObjectInputStreamobjectInput=newm_Student=(Student)objectInput.readObject();Stringname=m_Student.getName();}catch(FileNotFoundException{}catch(IOExceptione)//TODOAuto-generatedcatchblock}catch(ClassNotFoundExceptione)//TODOAuto-generatedcatchblock}}}classStudentimplements{Stringname;intage;publicStudent()}}publicStudent(Stringname,int{super();=name;this.age=age;}publicString{return}publicvoidsetName(String{=}publicint{return}publicvoidsetAge(int{this.age=}}publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]args)Stringpath= Filefile=newFile(path);try{FileOutputStreamfileOut=newObjectOutputStreamobjectOut=newobjectOut.writeObject(newStudent(18));objectOut=fileOut=fileOut=}catch(FileNotFoundException{}catch(IOExceptione)//TODOAuto-generatedcatchblock}}}classStudentimplements{Stringname;intage;publicStudent()}publicStudent(Stringname,int{super();=name;this.age=age;}publicString{return}publicvoidsetName(String{=}publicint{return}publicvoidsetAge(int{this.age=}} publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]{List<String>list=newfor(inti=0;i<10;i++)list.add("}intlength=list.size();intsize=length/for(inti=0;i<size;{}for(inti=0;i<list.size();i++){System.out.println("i+"：="+}}} publicclassTestCardpublicclassTestCard*@parampublicstaticvoidmain(String[]{DeskOfCardcc=newDeskOfCard();}}class{Cardpublicvoidinitcard()//{"J","Q","K"};Stringsuit[]card=newCard[52];for(inti=0;i<52;i++)card[i]=newCard(num[i%13],suit[i/}}publicvoidshufflecard()//{Randomrd=newfor(inti=0;i<52;i++)intjrd.nextInt(52);//生成隨機(jī)數(shù)Cardtemp=card[i];//交換card[i]=card[j]=}}}publicvoiddealcard()//{for(inti=0;i<52;{if(i%4==}}}classCardpublicStringnum;publicStringsuit;Card(Stringn,String{}publicString{Stringss=suit+":"+num+" returnss;}} publicclasspublicclass{privatevoid{Set<String>set=newItor<String>it=while(it.hasNext())Stringx=it.next();}for(Stringstring:{}}publicstaticvoidmain(String[]{new}} publicpublicclassStuimplements{privateintage;privateStringname;publicStu(){}publicStu(intage,String{this.age=age;=}publicint{return}publicvoidsetAge(intage)this.age=this.age=}publicString{return}publicvoidsetName(String{=}publicStringtoString()return"[Stu--}}publicclassTestpublicstaticvoidmain(String[]args)publicclassTestpublicstaticvoidmain(String[]args)Map<Integer,Stu>map=newHashMap<Integer,Stu>();map.put(1,newStu(100," map.put(10,newStu(23,Stustu=map.get(10);Set<Integer>setmap.keySet();/setfor(Integerkey:set){Stus=map.get(key);}}} publicclassMainpublicclassMain@parampublicstaticvoidmain(String[]args)Productm_Product=newCreaterm_Creater=newCreater(m_Product);Customerm_Customer=newCustomer(m_Product);ThreadcustomerThread=newThread(m_Customer);}}classProductbooleanflag=false;intnumber=0;publicsynchronizedvoidcreate(intnumber)if(flag){{}catch(InterruptedException{}}flag=this.number=}*publicsynchronizedintgetProduct()if(!flag)try{}catch(InterruptedException{}}flag=false;}}classCreaterextends{Productm_Product;booleanisRun=true;finalintTIME=publicCreater(Product{this.m_Product=}inttime=0;publicvoid{while(isRun)

{}catch(InterruptedException{}//讓生產(chǎn)者生產(chǎn)產(chǎn)品if(time==10)isRun=}}}classCustomerimplements{Productm_Product;finalintTIME=1000;booleanisRun=booleanisRun=publicCustomer(Product{this.m_Product=}publicvoid{while(isRun){{}catch(InterruptedException{}intnumber=m_Product.getProduct();if(number>=10)isRun=}} publicclassMainpublicclassMain*@parampublicstaticvoidmain(String[]{ }}publicpublic{{trySocketsocket=newSocket("",OutputStreamout=socket.getOutputStream();DataOutputStreamdout=newDataOutputStream(out);InputStreamin=socket.getInputStream();DataInputStreamdin=newDataInputStream(in);Stringst=}catch(IOExceptione)}}publicclassMain*@parampublicstaticvoidmain(String[]{Serverm_Server=new}}publicclasspublicclass{ServerSockets=publicclassServerThreadextendsThreadpublicclassServerThreadextendsThreadstaticSocketo="FromopublicServerThread(Socket{sock=}publicvoid{tryInputStreamin=sock.getInputStream();DataInputStreamdin=newDataInputStream(in);Stringname=din.readUTF();OutputStreamout=DataOutputStreamdos=newpublicServer()trys=new}catch(IOException{);}}publicvoid{inti=1;while(true){trySocketcs=newServerThread(cs).start();System.out.println("i}catch(IOException{}}}}o+"yourname:"+}catch(IOException{}}} publicclassMain*@parampublicstaticvoidmain(String[]args)throws{ y y=new Class<?>cls= Methodmethod=cls.getMethod("show",show y,}}class ypublicvoidshow(String{ o:"+}} publicclassDoXmlWithDOMpublicstaticvoidmain(String[]args)throws{step1:DOMBuilderFactorydbf=step2：domBuilderdb= //此文檔放在項(xiàng) =db.parse(new//根 節(jié)NodeListlist= System.out.println("listlength:"+list.getLength());for(inti=0;i<list.getLength();{ Elementelement=(Element)Stringcontent0 第三十四章第三十四章 為Stringcontent= System.out.println("title:content);//content= System.out.println("author:"+content);content= System.out.println("year:"+content= System.out.println("price:"+}}} publicclassSingletonpublicclassSingletonprivatestaticSingletoninstance;privateSingleton(){};publicstaticSingletonGetInstance()if(instance==if(instance=={instance=new}return} publicclassFactorypublicclassFactorypublicstaticISamplecreator(int{if(which==1)returnnewSampleA();elseif(which==2)returnnewSampleB();return}}publicpublicinterface{publicvoidsayHi()}publicpublicclassSampleAimplements{publicvoidSystem.out.println(“hi,i’mA.”)}}publicpublicclassSampleBimplements{publicvoidSystem.out.println(“hi,i’mB.”)System.out.println(“hi,i’mB.”)}}PublicclassPublicclassPublicstaticvoidmain(String[]args){Factory.creator(1).sayHi();Factory.creator(2).sayHi();}} publicinterfaceItalkpublicinterfaceItalkpublicvoidtalk(String}publicpublicclassPeopleimplements{publicStringusername;publicStringage;publicString{return}publicvoidsetName(String{this.username=}publicString{return}publicvoidsetAge(String{this.age=}public}publicPeople(Stringname1,String{this.username=name1;this.age=age1;}publicvoid