2017年12月18日
Reflection
摘要： Reflection: To obtain meta level information about the program structure itself at runtime. To change the program interpretation or meaning at the run 阅读全文
posted @ 2017-12-18 22:03 CaiCongyu 阅读(170) 评论(0) 推荐(0)
Unit Test & JUnit(Java)
摘要： unit tests def High-level testing vs. low-level testing: High-level: system function testing, acceptance testing, … Low-level: unit testing and integr 阅读全文
posted @ 2017-12-18 20:59 CaiCongyu 阅读(2813) 评论(0) 推荐(0)
Collections
摘要： Collection classes Types of collection -Collection -Map ArrayList HashMap Iterator Java Arrays Declaring an array int[] myArray; int[] myArray = new i 阅读全文
posted @ 2017-12-18 18:54 CaiCongyu 阅读(192) 评论(0) 推荐(0)
多态性(Polymorphism)
摘要： Polymorphism Polymorphism: Means many (poly) shapes (morph) In OO programming, it means the ability of an object to take on many forms It is an import 阅读全文
posted @ 2017-12-18 16:56 CaiCongyu 阅读(378) 评论(0) 推荐(0)
Exceptions in Java（异常）
摘要： Errors An Error is any unexpected result obtained from a program during execution. Unhandled errors may manifest themselves as incorrect results or be 阅读全文
posted @ 2017-12-18 12:29 CaiCongyu 阅读(240) 评论(0) 推荐(0)
Graphical User Interface (GUI)
摘要： AWT and Swing Abstract Window Toolkit (AWT): Introduced in Java 1.0 Provides classes and other tools for building programs that have a graphical user 阅读全文
posted @ 2017-12-18 00:24 CaiCongyu 阅读(348) 评论(0) 推荐(0)