Description: Write a base class base with two methods, and call second methods in the first method (second methods to write arbitrary output statements and then write a derived class derived, and cover the parent class of second methods produce a derived object, will it do the type conversion (that is converted to base type), and call the first method
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File list (Check if you may need any files):
BaseDerived\build\classes\basederived\Base.class
...........\.....\.......\...........\BaseDerived.class
...........\.....\.......\...........\Derived.class
...........\build.xml
...........\manifest.mf
...........\nbproject\build-impl.xml
...........\.........\genfiles.properties
...........\.........\private\private.properties
...........\.........\.......\private.xml
...........\.........\project.properties
...........\.........\project.xml
...........\src\basederived\BaseDerived.java
...........\build\classes\basederived
...........\.....\classes
...........\nbproject\private
...........\src\basederived
...........\build
...........\nbproject
...........\src
BaseDerived
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