File list (Check if you may need any files):
Account.class
Account.java
Account.java.bak
Animal.class
Animal.java
Animal.java.bak
ArithmaticOp.class
ArithmaticOp.java
B.class
B.java
B.java.bak
B1.class
B1.java
Bbb.class
Bbb.java
Bbb.java.bak
CashAccount.class
CashAccount.java
CashAccount.java.bak
Circle.class
Circle.java
Circle.java.bak
Class.class
Class.java
ClassPathResource.class
ClassPathResource.java
ClassPathResource.java.bak
CommandParameter.class
CommandParameter.java
CreditAccount.class
CreditAccount.java
Cylinder.class
Cylinder.java
Cylinder.java.bak
Exam4_4Test.class
Exam4_4Test.java
Fish.class
Fish.java
Fish.java.bak
Fobonacci.class
Fobonacci.java
Fobonacci.java.bak
Gen.class
Gen.java
GenDemo.class
GenDemo.java
Graduate.class
Graduate.java
Hello.class
Hello.java
Human.class
Human.java
Human.java.bak
IA.class
IntegerTest.class
IntegerTest.java
MyException.class
MyValue.class
MyValue.java
MyValue.java.bak
MyValueDemo.class
MyValueDemo.java
MyValueDemo.java.bak
Operate.class
Operate.java
Palindrome.class
Palindrome.java
Palindrome.java.bak
Pupil.class
Pupil.java
Pupil.java.bak
Rectangle.class
Rectangle.java
RegTest.class
RegTest.java
RegTest1.class
RegTest1.java
shape.class
StringExample.class
StringExample.java
StringExample.java.bak
StringPartition.class
StringPartition.java
StringPartition.java.bak
StringTest.class
StringTest.java
Student.class
Student.java
Student.java.bak
StudentManageInterface.class
TeacherManageInrerface.class
Test.class
Test.java
Test.java.bak
TestAccount.class
TestAccount.java
TestAdd.class
TestAdd.java
TestArray.class
TestArray.java