File list (Check if you may need any files):
java程序\A.class
........\A.java
........\AdditionTutor.class
........\AdditionTutor.java
........\BirthDate.class
........\Circle.class
........\Circle3.class
........\ComputeAdd.class
........\ComputeAdd.java
........\ComputeChange.class
........\ComputeChange.java
........\ComputeFutureInvestmentValue.class
........\ComputeFutureInvestmentValue.java
........\ComputeLoan.class
........\ComputeLoan.java
........\ComputeRate.class
........\ComputeRate.java
........\ComputeVal.class
........\ComputeVal.java
........\Course.class
........\CovertTem.class
........\CovertTem.java
........\CurrentTime.class
........\CurrentTime.java
........\FindSalesAmount.class
........\FindSalesAmount.java
........\Foo.class
........\Foo.java
........\InputMessage.class
........\InputMessage.java
........\PrintCalendar.class
........\PrintCalendar.java
........\PrintPyramid.class
........\PrintPyramid.java
........\SelectionSort.class
........\SelectionSort.java
........\Student.class
........\SubtractionTutor.class
........\SubtractionTutor.java
........\SubtrationTutorLoop.class
........\SubtrationTutorLoop.java
........\..doku\.classpath
........\......\.project
........\......\AndroidManifest.xml
........\......\bin\AndroidManifest.xml
........\......\...\classes\za\example\sudoku\About.class
........\......\...\.......\..\.......\......\BuildConfig.class
........\......\...\.......\..\.......\......\MainActivity$1.class
........\......\...\.......\..\.......\......\MainActivity$2.class
........\......\...\.......\..\.......\......\MainActivity.class
........\......\...\.......\..\.......\......\Prefs.class
........\......\...\.......\..\.......\......\R$array.class
........\......\...\.......\..\.......\......\R$attr.class
........\......\...\.......\..\.......\......\R$drawable.class
........\......\...\.......\..\.......\......\R$id.class
........\......\...\.......\..\.......\......\R$layout.class
........\......\...\.......\..\.......\......\R$menu.class
........\......\...\.......\..\.......\......\R$string.class
........\......\...\.......\..\.......\......\R$style.class
........\......\...\.......\..\.......\......\R$xml.class
........\......\...\.......\..\.......\......\R.class
........\......\...\classes.dex
........\......\...\jarlist.cache
........\......\...\res\drawable-hdpi\ic_action_search.png
........\......\...\...\.............\ic_launcher.png
........\......\...\...\.........ldpi\ic_launcher.png
........\......\...\...\.........mdpi\ic_action_search.png
........\......\...\...\.............\ic_launcher.png
........\......\...\...\.........xhdpi\ic_action_search.png
........\......\...\...\..............\ic_launcher.png
........\......\...\resources.ap_
........\......\...\Sudoku.apk
........\......\gen\za\example\sudoku\BuildConfig.java
........\......\...\..\.......\......\R.java
........\......\ic_launcher-web.png
........\......\libs\android-support-v4.jar
........\......\proguard-project.txt
........\......\project.properties
........\......\res\drawable-hdpi\ic_action_search.png
........\......\...\.............\ic_launcher.png
........\......\...\.........ldpi\ic_launcher.png
........\......\...\.........mdpi\ic_action_search.png
........\......\...\.............\ic_launcher.png
........\......\...\.........xhdpi\ic_action_search.png
........\......\...\..............\ic_launcher.png
........\......\...\layout\about.xml
........\......\...\......\activity_main.xml
........\......\...\menu\activity_main.xml
........\......\...\values\arrays.xml
........\......\...\......\strings.xml
........\......\...\......\styles.xml
........\......\...\xml\settings.xml
........\......\src\za\example\sudoku\About.java
........\......\...\..\.......\......\MainActivity.java
........\......\...\..\.......\......\Prefs.java
........\Test.class
........\Test.java
........\TestBirthdate.class
........\TestBirthdate.java
........\TestCircle3.class