import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public class Main {
public static void main(String argv[]) throws Exception{
String className = "String";
Class c = Class.forName(className);
Constructor cst[] = c.getDeclaredConstructors();
// get fields from the Class object
Field f[] = c.getDeclaredFields();
// get methods from the Class object
Method m[] = c.getDeclaredMethods();
// filling the constructors list box
for (int i = 0; i < cst.length; i++) {
System.out.println(cst[i].getName());
}
// filling the fields list box
for (int i = 0; i < f.length; i++) {
System.out.println(f[i].getName());
}
// filling the methods list box
for (int i = 0; i < m.length; i++) {
System.out.println(m[i].getName());
}
}
}