Eclipse of development Tools (III)

1. Refactoring of Java code

1. Refactoring of Java code

Refactoring to improve the design of existing code

Object-oriented code, reducing duplication of code

<1>student all replaced with Students

<2> Import the package, just select Move in the above rename moves between packages

<3> Modify the method name, select the method name, right-click

<5> Select Pull Up/push in the above operation to write this method to the parent class/subclass

The choice of extract superclass is to extract some methods and variables into a new parent class.

<6> Eliminate Duplicate code

Select System.out.println ("AAAAA"); Refactor--->extract Method