Dab tsi tshwj rau pov java?

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Dab tsi tshwj rau pov java?
Dab tsi tshwj rau pov java?

Video: Dab tsi tshwj rau pov java?

Video: Dab tsi tshwj rau pov java?
Video: Dab ntxwg nyoos yog leej twg ...zaj no zoo heev. 2024, Kaum ib hlis
Anonim

Tsuas yog kuaj xyuas yuav tsum tau muab pov tseg siv lo lus tseem ceeb cuam. Cov kev zam uas tsis tau txheeb xyuas tsis tas yuav tsum muab pov lossis ua pov thawj hauv code.

Thaum twg peb yuav siv cuam cuam tshuam hauv Java?

Java throws lo lus tseem ceeb yog siv los tshaj tawm cov ntaub ntawv tshwj xeeb uas yuav tshwm sim thaum lub sijhawm ua haujlwmNws muab cov ntaub ntawv hais txog kev zam rau tus programmer. Nws yog qhov zoo dua los muab qhov tshwj xeeb tuav cov cai kom cov dej ntws ib txwm ua ntawm kev ua tiav tuaj yeem khaws cia.

Qhov kev zam twg yuav tsum tau ua hauv Java?

9 Txoj Cai Zoo Tshaj Plaws los daws Cov Cai hauv Java

  1. Txhawm cov peev txheej hauv qhov kawg Thaiv lossis Siv Cov Lus Qhia Sim-Nrog-Kev Pabcuam. …
  2. Xav tau tshwj xeeb tshwj xeeb. …
  3. Daim Ntawv Tso Cai Koj Qhia. …
  4. Tso Cov Lus Cim Nrog Cov Lus piav qhia. …
  5. Catch Qhov Tshwj Xeeb Tshwj Xeeb Ua Ntej. …
  6. Tsis txhob ntes tau pov tseg. …
  7. Tsis txhob tsis quav ntsej Exceptions.

Qhov kev zam twg raug pov los ntawm JVM?

Exceptions pov los ntawm JVM

  • ArrayIndexOutOfBoundsException.
  • ClassCastException.
  • NullPointerException.
  • ArithmeticException.
  • AssertionError.
  • ExceptionInInitializerError.
  • StackOverflowError.
  • NoClassDefFoundError.

Yuav ua li cas kev zam los ntawm JVM?

JVM ua li cas rau qhov Exception? Default Exception Handling: Thaum twg hauv ib txoj hauv kev, yog tias muaj kev zam tshwm sim, tus txheej txheem tsim ib qho khoom hu ua Exception Object thiab muab nws tso rau lub sijhawm ua haujlwm (JVM).… Tsim qhov Exception Object thiab tuav nws mus rau lub sij hawm khiav yog hu ua pov qhov Exception.

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