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package tp7;
import java.util.ArrayList;
import javax.swing.JTextField;
import java.io.File;
import java.lang.reflect.*;
public class Ex1 {
private ArrayList Liste;
public Ex1 (ArrayList a) {
Liste=a;
}
public Method[] methodesdei (int i) {
Class cl = Liste.get(i).getClass();
Method[] m = cl.getMethods();
return m;
}
public Class superclasse() {
Class ret;
ArrayList<Class> cl= new ArrayList<Class>();
for (int i = 0; i < Liste.size(); i++) {
cl.add(Liste.get(i).getClass());
}
ArrayList<Class> cl2 = new ArrayList<Class>();
while (cl2.add(cl.get(0).getSuperclass()));
Object tmp2=new Object();
ret = tmp2.getClass();
for (Class tmp : cl2) {
Boolean fornow = true;
for (int i = 1; i < Liste.size(); i ++) {
if (!tmp.isInstance(Liste.get(i))){
fornow = false;
}
}
if (fornow) {
ret = tmp;
break;
}
}
return ret;
}
public <T> void add (T obj) {
Liste.add(obj);
}
public static void main (String[] args) {
ArrayList<Object> list = new ArrayList<Object>();
list.add(new Integer(12));
list.add(new String("allo"));
list.add(new Double(12.2311));
list.add(new File("."));
list.add(new JTextField());
Ex1 test = new Ex1(list);
System.out.println(test.superclasse());
}
}
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