package chicken;
 
public class Egg {
    final Object first;
 
    public Egg(Chicken mom) {
        first = mom.first;
    }
}

package chicken;
 
public class Chicken {
    final Object first;
 
    public Chicken(Egg egg) {
        first = egg.first;
    }
 
    public void ask() {
        // The goal is to reach this line
        System.out.println("First there was the " + first);
    }
}

package creator;
 
import chicken.Chicken;
 
public class Creator {
    public static void main(String[] args) {
        new Chicken(null).ask();
    }
}

static void emptyContainer(String s1, String s2) {
   if (s1.isEmpty()) {
      assert !(s1.contains(s2));
   }
}

    public static int countSubstringV1(String mainString, String subStr) {
        int lastIndex = 0;
        int count = 0;
        while ((lastIndex = mainString.indexOf(subStr, lastIndex)) != -1) {
            count++;
            lastIndex += subStr.length();
        }

//or

public static int countSubstringV2(String mainString, String subStr){
		int ans = 0;
		Matcher m = Pattern.compile(Pattern.quote(subStr)).matcher(mainString);
		while (m.find())
			ans++;//count it
		return ans;
	}

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package com.aminur.test.ws.axis1.dateservice;

import java.util.Date;

public abstract class TestService {
	public abstract Date fetchEndDate();

	public void updateEndDate(Date dateToBeSet) {
	}
}

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