Java. Murphy-Hill[1] Eclipse 90% 90% Fowler. Eclipse 2 Visual Studio 3 [2] Eclipse. Eclipse 26. Java. Eclipse

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1 Java 1,a) 2 1 IDE( ) Eclipse 1. Fowler *1 93 Eclipse *2 Visual Studio *3 IDE( ) Eclipse Graduate School of Informatics and Engineering The University of Electro-Communications 2 School of Information Science, Meisei University a) i @edu.cc.uec.ac.jp *1 *2 * Murphy-Hill[1] Eclipse 90% 90% [2] Eclipse Java 3. c 2012 Information Processing Society of Japan 1

Fig. 1 1: Overview of proposal system. Eclipse 4. 4.1 (UML) *4 UML ( 1 ) ( 2 ) *4 http://www.uml.

2 Fig. 1 1: Overview of proposal system. Eclipse (UML) *4 UML ( 1 ) ( 2 ) *4 ( 3 ) ( 4 ) UML Eclipse Java Java 4.3 ( ) 1 5 UML 2. c 2012 Information Processing Society of Japan 2

2: Extract SuperClass Fig. 2 Before Extract SuperClass. 3: Extract SuperClass Fig. 3 After Extract SuperClass. 1: Table 1 Dragging tasks for refactoring patterns.

patterns. 4.3.1 Extract SuperClass 2 ClassA name ClassA Extract SuperClass 3 ClassA name name SuperClassA SuperClassA SuperClassA. ClassA 4 ClassA 5 String name SuperClassA 6 SuperClassA.

3 2: Extract SuperClass Fig. 2 Before Extract SuperClass. 3: Extract SuperClass Fig. 3 After Extract SuperClass. 1: Table 1 Dragging tasks for refactoring patterns. Extract SuperClass Extract Interface public Push Down Pull Up Extract Class 2: Table 2 Extract SuperClass Extract Interface Push Down Pull Up Extract Class Operations performed by refactoring patterns Extract SuperClass 2 ClassA name ClassA Extract SuperClass 3 ClassA name name SuperClassA SuperClassA SuperClassA. ClassA 4 ClassA 5 String name SuperClassA 6 SuperClassA.java SuperClassA public class ClassA { String name; 4: Extract SuperClass ClassA.java Fig. 4 Before Extract SuperClass(ClassA.java). public class ClassA extends SuperClassA { 5: Extract SuperClass ClassA.java Fig Undo After Extract SuperClass(ClassA.java). Eclipse c 2012 Information Processing Society of Japan 3

4 public class SuperClassA { String name; public SuperClassA() { super(); 6: Extract SuperClass SuperClassA.java Fig. 6 After Extract SuperClass(SuperClassA.java). Fig. 7 7: Class diagram of the program under consideration. (Undo) [Edit]-[Undo] [Undo] Ctrl-Z Undo Java Eclipse Eclipse 5.2 UML UML AmaterasUML *5 AmaterasUML UML Eclipse AmaterasUML Undo 5.3 Eclipse Java org.eclipse.jdt.ui org.eclipse.jdt.ui * Undo Eclipse Java Undo org.eclipse.ui.workbench Undo org.eclipse.ui.workbench Undo Java 6. Eclipse 6.1 Shape Shape Dot, Rectangle, Ellipse, RoundRectangle UML 7 Undo Eclipse 2. c 2012 Information Processing Society of Japan 4

5 3: Table 3 Scenario steps. ( ) 1 Extract SuperClass width, height (Rctangle, Ellipse, RoundRectangle) 2 Push Down1 calcarea (Shape) 3 Push Down2 calcarea ( 1 ) 4 Extract Class x, y (Shape) 5 Undo-(Extract Class) 6 Undo-(Push Down2) 7 Undo-(Push Down1) 8 Extract Class x, y (Shape) Eclipse Eclipse Eclipse UML UML Eclipse Java Undo Undo Undo Undo Undo Eclipse Undo Undo 7. EToys *6, Alice[3], Scratch[4] Refactoring Browser[5]. UML 7.1 Murphy-Hill Murphy-Hill [2] Eclipse Murphy-Hill Eclipse [6] 7.2 DNDRefactoring Lee Eclipse *6 c 2012 Information Processing Society of Japan 5

6 8: DNDRefactoring Fig. 8 How to perform refactoring in DNDRefactoring. DNDRefactoring [7] DNDRefactoring Eclipse IDE UML Eclipse Eclipse UML 5 Eclipse 26 Extract Method Extract Method Extract Method Java Java Eclipse Push Down Push Down [1] E. Murphy-Hill, C. Parnin, and A. P. Black. How we refactor, and how we know it. In Proceedings of the 31st International Conference on SoftwareEngineering, ICSE 09, pp , [2] E. Murphy-Hill and A. P. Black. Breaking the barriers to successful refactoring: observations and tools for extract method. In In ICSE 08: Proceedings of the 30th International Conference on Software Engineering, pp , [3] M. J. Conway. Alice: Easy-to-Learn 3D Scripting for Novices. PhD thesis, University of Virginia, [4] J. Maloney, M. Resnick, N. Rusk, B. Silverman, and E. Eastmond. The scratch programming language and environment. Trans. Comput. Educ., 10(4):16:1-16:15, Nov [5] D. Roberts, J. Brant, and R. Johnson. A Refactoring Tool for Smalltalk. Theory and Practice of Object Systems, [6] E. Murphy-Hill, M. Ayazifar, N. Carolina, and A. P. Black. Restructuring Software with Gestures. In Visual Langauges and Human-Centric Computing, pp , [7] Y. Y. Lee, N. Chen, and R. E. Johnson, Drag-and-Drop Refactoring: Intuitive Program Transformation, Tech. Rep., 2012, net/2142/ c 2012 Information Processing Society of Japan 6

Editing Code. SWE 795, Spring 2017 Software Engineering Environments

Editing Code. SWE 795, Spring 2017 Software Engineering Environments Editing Code SWE 795, Spring 2017 Software Engineering Environments Today Part 1 (Discussion)(~60 mins) Discussion of readings Break! Part 2 (Lecture)(60 mins) Editing Code Part 3 (In class activity)(~20