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class A {
public d (){};
public d (q){};
public d (q,w){};
}
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class B extends A{
public d (q,f){};
}
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import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.huadoo.model.Area;
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/**
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*/
public static void main(String[] args) {
// TODO Auto-generated method stub
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