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Java Performance Fundamental artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java
Java Performance Fundamental 2 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture 2) Java Programming Language 3) Java Class File Format 4) Java API Java Virtual Machine 1) What is JVM? 2) JVM Architecture
Java Performance Fundamental Java Performance Fundamental 3 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture
Java Performance Fundamental Java Performance Fundamental 3 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture ! ..?
Java Performance Fundamental Java Performance Fundamental 3 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture , ! ..? .
Java Performance Fundamental Java Performance Fundamental 4 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture  Java 4  The Java Programming Language  The Java Class File Format  The Java Application Programming Interface  The Java Virtual Machine
Java Performance Fundamental Java Performance Fundamental 5 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture Java source file Java class file A.java B.java C.java A.class B.class C.class Compile Time Run Time Java Java Virtual compiler Machine A.class B.class C.class Object.class String.class Java class file Java API’s class files
Java Performance Fundamental Java Performance Fundamental 6 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 2) Java Programming Language Java Language Software
Java Performance Fundamental Java Performance Fundamental 6 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 2) Java Programming Language Java Language Software Source Code Memory Array bound check Program corruption Object Reference check Null Reference
Java Performance Fundamental Java Performance Fundamental 6 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 2) Java Programming Language Java Language Software Source Code object-orientation Memory multi-threading structured error-handling Array bound check Program corruption garbage collection dynamic linking Object Reference check Null dynamic extension Reference
Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format
Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format Compact
Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format Compact Bytecode
Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format Compact Bytecode Platform
Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format Compact Bytecode Network byte Platform order
Java Performance Fundamental Java Performance Fundamental 8 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 4) Java API (Application Programming Interface)  Runtime Library  Platform Independent Java Class Java Class Java Class Java API Java API Java API Native Method (dynamic libraries) Host Operating System
Java Performance Fundamental Java Performance Fundamental 9 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine • Java Virtual Machine
Java Performance Fundamental Java Performance Fundamental 9 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine • Java Virtual Machine
Java Performance Fundamental Java Performance Fundamental 9 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine • Java Virtual Machine
Java Performance Fundamental Java Performance Fundamental 10 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine 1) What is JVM? JAVA Java Virtual SoftWare Machine Machine
Java Performance Fundamental Java Performance Fundamental 11 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine 1) What is JVM? Write once, run everywhere Compiled Java Program Java Virtual Machine H/W Platform & OS
Java Performance Fundamental Java Performance Fundamental 12 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine 1) What is JVM? Abstract JVM = CONCEPT Specification JAVA SINGLE RUNNING Concrete A Runtime Implement Instance VENDOR
Java Performance Fundamental Java Performance Fundamental 13 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine 2) JVM Architecture Java Application Class Java Native Threads Libraries Class Loader System Threads Native Execution Run-time Garbage Method Engine Data Area Collector Libraries (Real-Time) Operating System
Java Performance Fundamental Java Performance Fundamental 14 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker

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1장 Java란 무엇인가.key

  • 1. Java Performance Fundamental artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java
  • 2. Java Performance Fundamental 2 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture 2) Java Programming Language 3) Java Class File Format 4) Java API Java Virtual Machine 1) What is JVM? 2) JVM Architecture
  • 3. Java Performance Fundamental Java Performance Fundamental 3 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture
  • 4. Java Performance Fundamental Java Performance Fundamental 3 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture ! ..?
  • 5. Java Performance Fundamental Java Performance Fundamental 3 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture , ! ..? .
  • 6. Java Performance Fundamental Java Performance Fundamental 4 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture  Java 4  The Java Programming Language  The Java Class File Format  The Java Application Programming Interface  The Java Virtual Machine
  • 7. Java Performance Fundamental Java Performance Fundamental 5 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 1) Java Architecture Java source file Java class file A.java B.java C.java A.class B.class C.class Compile Time Run Time Java Java Virtual compiler Machine A.class B.class C.class Object.class String.class Java class file Java API’s class files
  • 8. Java Performance Fundamental Java Performance Fundamental 6 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 2) Java Programming Language Java Language Software
  • 9. Java Performance Fundamental Java Performance Fundamental 6 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 2) Java Programming Language Java Language Software Source Code Memory Array bound check Program corruption Object Reference check Null Reference
  • 10. Java Performance Fundamental Java Performance Fundamental 6 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 2) Java Programming Language Java Language Software Source Code object-orientation Memory multi-threading structured error-handling Array bound check Program corruption garbage collection dynamic linking Object Reference check Null dynamic extension Reference
  • 11. Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format
  • 12. Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format Compact
  • 13. Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format Compact Bytecode
  • 14. Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format Compact Bytecode Platform
  • 15. Java Performance Fundamental Java Performance Fundamental 7 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 3) Java Class File Format Compact Bytecode Network byte Platform order
  • 16. Java Performance Fundamental Java Performance Fundamental 8 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Architecture 4) Java API (Application Programming Interface)  Runtime Library  Platform Independent Java Class Java Class Java Class Java API Java API Java API Native Method (dynamic libraries) Host Operating System
  • 17. Java Performance Fundamental Java Performance Fundamental 9 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine • Java Virtual Machine
  • 18. Java Performance Fundamental Java Performance Fundamental 9 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine • Java Virtual Machine
  • 19. Java Performance Fundamental Java Performance Fundamental 9 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine • Java Virtual Machine
  • 20. Java Performance Fundamental Java Performance Fundamental 10 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine 1) What is JVM? JAVA Java Virtual SoftWare Machine Machine
  • 21. Java Performance Fundamental Java Performance Fundamental 11 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine 1) What is JVM? Write once, run everywhere Compiled Java Program Java Virtual Machine H/W Platform & OS
  • 22. Java Performance Fundamental Java Performance Fundamental 12 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine 1) What is JVM? Abstract JVM = CONCEPT Specification JAVA SINGLE RUNNING Concrete A Runtime Implement Instance VENDOR
  • 23. Java Performance Fundamental Java Performance Fundamental 13 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker Java Virtual Machine 2) JVM Architecture Java Application Class Java Native Threads Libraries Class Loader System Threads Native Execution Run-time Garbage Method Engine Data Area Collector Libraries (Real-Time) Operating System
  • 24. Java Performance Fundamental Java Performance Fundamental 14 artdb@ex-em.com | performeister.tistory.com | twitter @novathinker