import java.util.List;
import java.util.ArrayList;
import java.lang.reflect.Method;

public class GenTest {
    public static void main(String[] args) {
        List<String> aList = new ArrayList<String>();
                aList.add("CSDN_SEU_Calvin");
                aList.add("100");
                for (int i=0; i<aList.size(); i++) {
                    String name = aList.get(i);
                    System.out.println("name: " + name);
                }

                ArrayList<String> a = new ArrayList<String>();
                ArrayList b = new ArrayList();
                Class c1 = a.getClass();
                Class c2 = b.getClass();
                System.out.println(c1==c2);  

                ArrayList<String> c = new ArrayList<String>();
                c.add("CSDN_SEU_Calvin");
                Class d = c.getClass();
                try {
                    Method aMethod = d.getMethod("add", Object.class);
                    aMethod.invoke(c, 100);
                } catch(Exception e) {
                    e.printStackTrace();
                }
                System.out.println(c);

    }
}