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public interface UserDao {
public void save();
}
public class Override_Overload implements UserDao{
@Override
public void save() {
// TODO Auto-generated method stub
}
//ÒÔÏÂÈýÖз½¾ÍÊÇoverloadÊÇÖØÔØ
public int find(String name){
return 1;
}
public int find(String name,Long id){
return 1;
}
public int find(Long id){
return 1;
}
}


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public class VariableParameter {
public static void main(String[] args) {
System.out.println(add(1,2));
System.out.println(add(1,2,3,4));
}
public static int add(int x,int...args){
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