ABAP, Java和JavaScript三种语言的比较
写这个系列的初衷是SAP Chengdu office有越来越多的应届毕业生加入，这些新同事通过在大学的专业学习，具备了Java和JavaScript背景，但是进入SAP之后大家觉得ABAP没有Java和JavaScript好学。
其实任何编程语言总是有很多相通之处，这个系列就是把这三种语言的很多知识点拿来横向比较，即使只会其中一门，也能看懂这些post. 
同时对于ABAP较之Java和JavaScript缺乏的一些feature和框架特性，例如闭包，函数式编程，Spring依赖注入等，这些post里面也通过应用层模拟的方式做了一些简单尝试: 
全部文章list
- Lazy Loading, Singleton and Bridge design pattern in JavaScript and in ABAP
- Functional programming – Simulate Curry in ABAP
- Functional Programming – Try Reduce in JavaScript and in ABAP
- Simulate Mockito in ABAP
- A simulation of Java Spring dependency injection annotation @Inject in ABAP
- Singleton bypass Trap – ABAP and Java
- Weak reference in ABAP and Java
- Fibonacci Sequence in ES5, ES6 and ABAP
- Java byte code and ABAP Load
- How to write a “correct” program rejected by compiler: Exception handling in Java and in ABAP
- An small example to learn Garbage collection in Java and in ABAP
- String Template in ABAP, ES6, Angular and React
- Try to access static private attribute via ABAP RTTI and Java Reflection
- Local class in ABAP, Java and JavaScript
- Integer in ABAP, Java and JavaScript
- Covariance in Java and simulation in ABAP
- Various Proxy Design Pattern implementation variants in Java, ABAP and JavaScript
- Tag(Marker) Interface in ABAP and Java
- Bitwise operation ( OR, AND, XOR ) on ABAP Integer
- ABAP ICF handler and Java Servlet
- ADBC and JDBC
- Weak reference in ABAP and Java
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