Jerry的ABAP, Java和JavaScript亂燉

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寫這個系列的初衷是SAP Chengdu office有越來越多的應屆畢業生加入，這些新同事通過在大學的專業學習，具備了Java和JavaScript背景，但是進入SAP之後大家覺得ABAP沒有Java和JavaScript好學。
其實任何程式設計語言總是有很多相通之處，這個系列就是把這三種語言的很多知識點拿來橫向比較，即使只會其中一門，也能看懂這些post.

同時對於ABAP較之Java和JavaScript缺乏的一些feature和架構特性，例如閉包，函數式編程，Spring依賴注入等，這些post裡面也通過應用程式層類比的方式做了一些簡單嘗試:

全部文章list

1. Lazy Loading, Singleton and Bridge design pattern in JavaScript and in ABAP:https://blogs.sap.com/2017/03/13/lazy-loading-singleton-and-bridge-design-pattern-in-javascript-and-in-abap/

2. Functional programming – Simulate Curry in ABAP:https://blogs.sap.com/2017/02/26/functional-programming-simulate-curry-in-abap/

3. Functional Programming – Try Reduce in JavaScript and in ABAP:https://blogs.sap.com/2017/02/27/functional-programming-try-reduce-in-javascript-and-in-abap/

4. Simulate Mockito in ABAP: https://blogs.sap.com/2017/02/02/simulate-mockito-in-abap/

5. A simulation of Java Spring dependency injection annotation @Inject in ABAP:https://blogs.sap.com/2016/10/14/simulation-java-spring-dependency-injection-annotation-inject-abap/

6. Singleton bypass Trap – ABAP and Java: https://blogs.sap.com/2017/01/09/singleton-bypass-abap-and-java/

7. Weak reference in ABAP and Java: https://blogs.sap.com/2016/07/02/weak-reference-in-abap-and-java/

8. Fibonacci Sequence in ES5, ES6 and ABAP: https://blogs.sap.com/2017/03/14/fibonacci-sequence-in-es5-es6-and-abap/

9. Java byte code and ABAP Load: https://blogs.sap.com/2017/03/15/java-byte-code-and-abap-load/

10. How to write a “correct” program rejected by compiler: Exception handling in Java and in ABAP:https://blogs.sap.com/2017/03/17/how-to-write-a-correct-program-rejected-by-compiler-exception-handling-in-java-and-in-abap/

11. An small example to learn Garbage collection in Java and in ABAP: https://blogs.sap.com/2017/03/18/an-small-example-to-learn-garbage-collection-in-java-and-in-abap/

12. String Template in ABAP, ES6, Angular and React:https://blogs.sap.com/2017/03/25/string-template-in-abap-es6-angular-and-react/

13. Try to access static private attribute via ABAP RTTI and Java Reflection: https://blogs.sap.com/2017/04/04/try-to-access-static-private-attribute-via-abap-rtti-and-java-reflection/

14. Local class in ABAP, Java and JavaScript: https://blogs.sap.com/2017/04/10/local-class-in-abap-java-and-javascript/

15. Integer in ABAP, Java and JavaScript: https://blogs.sap.com/2017/04/10/integer-in-abap-java-and-javascript/

16. Covariance in Java and simulation in ABAP: https://blogs.sap.com/2017/04/15/covariance-in-java-and-simulation-in-abap/

17. Various Proxy Design Pattern implementation variants in Java, ABAP and JavaScript: https://blogs.sap.com/2017/04/17/various-proxy-design-pattern-implementation-variants-in-java-and-abap/

18. Tag(Marker) Interface in ABAP and Java: https://blogs.sap.com/2017/04/25/tagmarker-interface-in-abap-and-java/

19. Bitwise operation ( OR, AND, XOR ) on ABAP Integer: https://blogs.sap.com/2017/04/28/bitwise-operation-or-and-xor-on-abap-integer/

20. ABAP ICF handler and Java Servlet: https://blogs.sap.com/2017/05/07/abap-icf-handler-and-java-servlet/

21. ADBC and JDBC: https://blogs.sap.com/2017/05/08/adbc-and-jdbc/

22. Weak reference in ABAP and Java: https://blogs.sap.com/2016/07/02/weak-reference-in-abap-and-java/

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Jerry的ABAP, Java和JavaScript亂燉