java基础知识点-积累.doc

1. 2. 3. final(1).final(2).final(3).final 4. this(1).(2).(3).5. super(1).(2).(thissuper)(this super/this)6. static(1).static(2).static(3).staticstaticstatic7. (1).whileint i=0;int sum=0;while(i10)sum+=i;i+;(2).do.whileint i=0;int sum=0;dosum+=i;i+;while(i10);(3).forint sum=0;for(int i=0;i10;i+)sum+=i;8. (1).returnreturn(2).continue(3).breakbreak9. 10. (1).int , short ,long ,byte ,char ,boolean ,float ,double(2). 11. (zhi)()12. java(1).(2).(-)(-)13. java(1).(2). (3).(4).()14. key-valuekeyvaluelocale15. javaint a=3,2,4,1;Arrays.sort(a);system.out.print(ArraystoString(a);16. 17. (23)(1).(2).(3).18. (1).(2).(3).(4).19. IO(1).(byte)(inputStream)(ouputStream)(2).(Writer)(Reader)(3)():OutputStreamWriter,inputStreamReader(4)ByteArrayOutputStream,ByteArrayInputStream(5)pipedOutPutStream,pipedInputStream(6)printWriter,printStream20. (1).:(2).()21. ()22. (1).private():(2).default()(3).protected()(4).public()23. Exceptionerror(throwable)(1)Exception(2)errorJVM24. (1)try.catch(2)try.catch.finally(3)throwsthrows(4)25. Integer ,Character ,Short ,Long ,Float ,Double ,Boolean ,Byte26. object()(1)tostring (2)equal 27. servletservletinitserviceservicedoGetdoPostdestroyCGIservletserviceCGIservletCGI28. new29. 30. -abstractfinalprivate31. AJax(javascriptxml)Asynchronous javascript and xml.32. MVCModel():javabeanEJBview():jspcontroller():servlet:33. collection(1)list:collection.()ArrayListvectorArrayListvectorArrayListvector(2)set:collection()HashSetTreeSet()map():key-valueHashMap:keyTreeMap:mapkeyHashTable:keyIdentityHashMap:key34. (1)(1)IE35. 36. ()37. JDBC(1)java.sql.DriverManager:(2)java,sql.Connection:(3)java.sql.statement:SqL(4)java.sql.PrepareStatement:SQLstatement(5)java.sql.ResultSet:38. JDBC(1)(DriverManager)(2)(connection)(3)(statement PrepareStatement)(4)(close)39. MySqlOraclejdbc:mySql:/IP:/jdbc:oracle:thin:ip:40. (1):(2)(3)(4)41. (1)(2)42. forwardredirect(1)forward:URLURL(2)redirect:43. jspIncludeInclude(1)jsp:include(2)include44. JVMclassJVMclassloaderclassloaderjava45. jsp(1)applicationservletservlet(2)sessionsession(3)request(4)response(5)page(6)configJSPservletConfig(7)out(8)exceptionJSP(9)pagecontextJSP46. doGetdoPost(1).doGetdoPost(2).doGetdoPost47. jspservlet(1).jspservletservlet(2).servletjavaHtmljspjavaHtml.jsp(3).jspservlet48. (1).pagecontext(2).requestweb(3).sessionweb(4).applicationweb49. B/SC/S(1).C/S:Client/server(/)PC(2).B/S:Brower/server(/)(1)C/SB/S(2)C/sB/S(3)C/SB/S(4)