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import edu.ustc.*;
public class A{
public static void main(String[] args){
B b = new B();
b.print();
}
}
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package edu.ustc;
public class B{
public void print(){
System.out.println("hello");
}
}
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package edu.main;
import edu.ustc.*;
public class A{
public static void main(String[] args){
B b = new B();
b.print();
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