package com.company;
//import java.io.*;
//import NewClass.java;




public class Main {

    public static class NewClass{
        int x = 10;

        void printMessage(){
            System.out.println("This is NewClass");
        }
    }

    static class DerivedClass extends NewClass {
        int y = 5;

        @Override
        void printMessage() {
            System.out.println("This is DerivedClass");
        }
    }

    public static class Item{
        private static int uniqueID = 1;
        private int itemID;
        private int param;

        public Item(int param)
        {
            this.param = param;
            itemID = uniqueID;
            uniqueID++;

        }

    }

    public static class exceptionThrown{
        static int divideByZero(int a, int b){
            int i = a/b;
            return i;

        }

        static int computeDivision(int a, int b){
            int res = 0;
            try{
                divideByZero(a, b);
            }
            catch(Exception ex){
                System.out.println("The exception was thrown!");
            }
            return res;
        }
    }


    public static void main(String[] args) {
	// write your code here

        //System.out.println("Hello world!");

        NewClass newObj = new NewClass();
        System.out.println("NewClass: " + newObj.x);

        DerivedClass derivedObj = new DerivedClass();
        System.out.println("DerivedClass: " + derivedObj.x + " " + derivedObj.y);

        newObj.printMessage();
        derivedObj.printMessage();

        Item item = new Item(5);
        System.out.println(item.itemID);

        exceptionThrown exception = new exceptionThrown();

        int a = 1, b = 0;
        try{
            int i = exception.divideByZero(a, b);
        }
        catch(Exception ex){
            System.out.println(ex.getMessage());
        }



    }
}