/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String data = "My data starts here and ends here";
		CharSequence start = "starts";
		CharSequence end = "ends";
 
		CharSequence searched = "here";
 
		int beginIndex = data.indexOf(start.toString()) + start.length();
		int endIndex = data.indexOf(end.toString());
 
		String inside = data.substring(beginIndex, endIndex);
 
 
 
		System.out.println(inside.contains(searched));
	}
}

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