MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

/*
java.util.ArrayList: 
java.util.ArrayList: Collection 
java.util.ArrayList: int 
     
 */
import java.lang.reflect.Constructor;

public class MainClass {

    public static void main(String[] args) {
        try {
            Class c = Class.forName("java.util.ArrayList");

            Constructor constructors[] = c.getConstructors();
            for (int i = 0; i < constructors.length; i++) {
                System.out.print(constructors[i].getName() + ": ");
                Class parameters[];
                parameters = constructors[i].getParameterTypes();
                for (int j = 0; j < parameters.length; j++) {
                    String s = parameters[j].getName();
                    s = s.substring(s.lastIndexOf(".") + 1, s.length());
                    System.out.print(s + " ");
                }
                System.out.println("");
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}