《java_java se知識點記錄new》由會員上傳分享，免費在線閱讀，更多相關內(nèi)容在教育資源-天天文庫。

1、?????乍/??????NetMeeting??-??-conf????/??????????IP????-??-TCP/IP-????-ipconfig????????cddird:??????????-??-催?-????????-???????Path?????????????????????佪????????????Path??????Path??????????????????????????????????????乬????????????????????????????????f

2、tp://192.168.0.1JDK??JDKJRE???J2SDKHelloWorld?????avi????乥???classpath??Н???????????????????1??ゴJava?????java-class-ClassLoader(lazyload)-?偠?(verifier)-???(interpreter)?????JVM(CompileOnce,RunAnywhere)?????GarbageCollector(GC)??有?????????????????????

3、?М??????????????????????????г??????classpathpath???????classpath?JVM???????????.????????javaclass佪??乏?Н?????????????××××?????????乥HelloWorldonepublicclassinajavafilezeroormanynon-publicclassinajavafilepublicclassname=filenameErrorCompileTimeErrorRunt

4、imeError???????1?????2????囀??3???????System.out.println????????????????4?google5?BBS6?teacher2??ゴ??????Н????????????????????????????????????????????booleantruefalsecharUnicode???utf-16?????????????/???/16???????byteshortint(咬?)long???floatdouble(defa

5、ult)?有??????BigDecimal????code-????data-?????????stack-????heap-new?????????????boolean??咬???byteshortchar?????????int????????????????int-long-float-double???????(???)?????????有??????+-*/%++--???????????><>=<===!=????&

6、!^&&

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10、???1???1~??^???1>>??????????????/2<>>????????????=??+=-=……?????+??????String??????????String?????????????????x?y:zif??????????????????{}?????3????if(..);for(..;..;..)??????????while..dowhile();?????breakcontinue??1!+2!+……+10!??1..100??

11、????3??????101..200????switch????caseこ???乬???break?????????1??????ぎ????????ぎ????????????????????2?????copy???3???????4??????????????ぎ????main??????????Ё???????Ё?????????Fab????乬??????????????????????????????????剕????????????????4??ゴ?????????1???2???3

12、???????????????????????????????????????????????????????????????????????……????????????????????????????????????????????????乬?Ё?????????????????????П????????????????????????????polymophism,dynamicbind,latebind,runtimebind)javaЁ?class?Н?????????咬??????Ja