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FAQ: Java

 


vÕfobOŎx αƂł܁E

BEA ̃\tgEFAɒڊ֌WĂȂꍇ́AfobOxՁEJava J銔c[̎gpA Java ̊wK ۑЂ̍w g[jO̎u EEvOɃfobO@\g 𑂕@ ݁EJava vO~O̗Dꂽg[jO αƂ͂̕@ 邽߂̓K؂ȏo_ŁE


Java wK̍ޗ͂ǂŁEł܁E

Java ɊւĂ͏ЁE⃃C t@X Bn莂߂ɁAJavaSoft Web ̃TCgŃhLǵEQ ہEɂ́A񍐏 Java `⃃[gAւ̃N BJava ֘ȀЂ́AK勖͂ȃICД̔TCgȁEł̩‚邱Ƃł܁E


JDK ͂ǂŁE ŁE

WebLogic 6.1 ɂ́AJDK 1.3.1 oh ܁EeXgς݂ŁAWebLogic \tgEFAŎgpł邱Ƃۏ؁E JDK ɊցE EẮABEA ́uvbgtH[ T|[gvy[WQ ہE

ǂ̃o[W JDK ̂gpӁEԂ߁EJavaSoft 灁EWeb ̃TCgɍsBāẼvbgtH[ x_AЂ̃Rs[^ œK JDK E܁E


CLASSPATH ͂ǂ̂悤ɐݒ肷 ŁE

CLASSPATH ̐݁EA悤ƂāEɁEĈقȁEBʂ́E͈ȉ̂ƁEB


R[hႪEȂ̂͂ȂŁE

ʏAEցE s‹Ɋ֌W܁EȉɃguV[eBÕqg҂܁E

  1. f[^x[XgpӁÉAutils.dbping [eBeB sځAJDBC hCoCXg[ RtBO[V 邱ƂmFЂāE

  2. setEnv XNvg sځA sV郃F܁EDOS ̓EBhE CLASSPATH ł𐳂ݒ肵āEڍׂɂ‚ẮAuJ‹̐݁E/a>v聂Q ہE

  3. ւw鎎`FbNāARpC̑OɃR[h [UŗL̕ϐퟋӂׂĕύXāE

  4. ւw鎎Ɏw肳 A-d IvVgpӂăRpCANX t@CK؂ȃfBNgɔzu 悤ɂāE

ႪAvbgŁÉACODE CODEBASE Ƃ𒲂ׁEƁEAWebLogic Server mɓ삵āEɂāE


Java G[ bZ[WɊւw郃v͂ǂɁEł傤B

BEA Ɋ񂹁E鎿 ́EI Java ȃG[ bZ[W֘AŁEWebLogic 聂ɓWĹEł́EBJava G񁃃[ bZ[WɊցE闉vȁE QLjƁEȉɎ܁E

QƁE/strong>

Sun Java Developer Connection

̂̃tH[ɂ́AG[ bZ[W ւ܂܁EJava Ȋ֘AgsbŃE񓚂B遂Ɍʂ𓾂ꍇɂ́A[Search] {bNXgpӁE遂Ƃ΁A[Search] {bNXɁuclasspath errorv̂悤ɁE

Compiler Error Messages

L鍔͈͂ɂ킽R郃pC G[ bZ[W̃XgB̃Xgɂ͕s] NoClassDefFoundError ȁE܁E

Sun Java API

Java API `FbNAgpN郃XɗOኂ̐־邩ǂmFЂŁE


N郃CAgƃT[oԂ̃bZ[W StackOverflowException ŁÊ͂ȂŁE

java.io.Serialization gpӂēUʂɑ傫ȃf[^\𑗐M ́AJava ܂̓lCeBu X^bÑXbhPʂ̃TCY𒴂āE\ BX^bN TCÝAȉ̃R}hC IvVő₷Ƃł܁E

lCeBu X^bÑTCY𑝂₷ꍁE-ss Stacksize

Java X^bÑTCY𑝂₷ꍁE-oss Stacksize

Stacksize ͂ł́AɑăLoCǵukv܂̓KoCǵumvw ΁EɁE܁E

$java -ss156k (native)

$java -oss600k (Java)

ftHg̃lCeBu X^bN TCY 128KB ͂ŁAŏl 1000 ̓oCgŁEftHg java ̃X^bN TCY 400KB ͂ŁAŏl 1000 ̓oCgŁE


JIT gpӁE Java AvP[V́Esxオ B

Just-In-Time RpCgpӁEꕁEJava ̃AvP[V́Esx́E܁EJIT ́A}V R[hɊi[AŁE肻 ėp邱ƂŗL pE܁EƂ΁A[v 1000 ŁEs AR[h񎏐 1 ͉񂾂Ȃ̂ŁAJIT gpӁȄ̃ptH[}X ܁ẼlCeBu \bhgpӁE郃vP[Vł́Apure-Java AvP[Vقǂ̃ptH[}X́E͖]߂܁E

JIT gp AX^bNg[VOe E邽߂ɁAfobO JIT ͂gpӂȁEł傤BJIT gpӂăptH[}XeXg ́AĂяoœeXgK𕂸 sAĚʂ͔j AAvP[V肵 삵āEɃgUNVɂǂ̂炢̎ԁEmFЂāE R[hEśAeXǵEiR[h ߁jB


WebLogic Server Ƀoh JDK Ĕzzł܁E

BEA Systems ́AƗ\tgEFA x_iISVjȂǂ̑O掎҂ɑ΂āAWebLogic Server Ƀoh JDK ̏CȂɍĔzz錠t^𕗂邽߂̓ƐI蓌L𗂵Ă܁EȉɁÁE\ɑ΂x錍ퟺ҂܁E

 

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