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import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
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class EnclosingOne {
public class InsideOne {
}
}
public class B {
public static void main(String[] args) {
EnclosingOne eo = new EnclosingOne();
EnclosingOne.InsideOne ei = eo.new InsideOne();
}
} ......
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