网络编程技术代码-7

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1、1)Arith.javapublicinterfaceArithextendsjava.rmi.Remote{int[]add(inta[],intb[])throwsjava.rmi.RemoteException;2)Arith工mpl•javapublicclassArithlmplextendsUnicastRemoteObjectimplementsArithprivateStringobjectName;publicArithlmpl(Strings)throwsRemoteException{super();objectName=s;}publicint[]add

2、(inta[],intb[]){intc[]=newint[10];for(inti=0;i<10;i++){c[i]=a[i]+b[i];}returnc;}publicstaticvoidmain(String[]args){RMISecurityManagersm=newRMISecurityManager();System.setSecurityManager(sm);try{Arithlmplobj=newArithlmpl(nArithServern);//LocateRegistry.createRegistry(3000);Naming.rebind(Arith

3、App•javapublicclassArithApp{publicstaticvoidmain(String[]args){int[]a={l,2,3,4,5,6,7,8,9,10};int[]b={l,2,3,4,5,6,7,8,9,10};int[]resunewint[10];try{Arithobj=(Arith)Naming•lookup(Hrmi://127.0.0.1:1099/ArithServerH);result=obj.add(a,b);}catch(Exceptione){System•out.printIn(nArithAppn+e.getMessa

4、ge());e.printStackTrace();}System,out.print("Thesum=11);for(inti=0;i

5、essage());e.printStackTrace();}}}1)City2・javapublicinterfaceCity2extendsRemote{intgetPopulation()throwsRemoteException;intgetTemperature()throwsRemoteException;}2)CityFautory•javapublicinterfaceCityFactoryextendsRemote{City2ImplgetCityServer(StringcityName)throwsRemoteException;}3)City2工mpl•

6、javapublicclassCity2ImplextendsUnicastRemoteObjectimplementsCity2{privateStringcityName;publieCity2Impl()throwsRemoteException{super()；}publieCity2Impl(StringcityName)throwsRemoteException{super()；this•cityName=cityName;}publicintgetPopulation()throwsRemoteException{if(cityName.equals(nToron

7、toH)){return10;}elseif(cityName.equals(,,Ottawan)){return2;}else{return0;}}publicintgetTemperature()throwsRemoteException{return1;}}5)City2App.javapublicclassCity2App{publicstaticvoidmain(String[]args){Remoteobj=null;City2ottawa=null;City2toronto=n