File list (Check if you may need any files):
04.ClassAndObjectSourceCode\BoxAndUnbox.java
...........................\ClassAndObjectTest.java
...........................\Hello.java
...........................\InitializeBlockDemo.java
...........................\MyPackageClass.java
...........................\ObjectEquals.java
...........................\StrangeIntegerBehavior.java
...........................\Test1.java
...........................\Test2.java
...........................\Test3.java
...........................\TestStaticInitializeBlock.java
...........................\jxlPacakge\MyPackageClass.class
...........................\jxlPacakge
04.ClassAndObjectSourceCode
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