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package com.designingmicroservices;
import java.util.ArrayList;
import java.util.Collection;
/**
*
* @author DesigningMicroservices.com
*
*/
package com.designingmicroservices;
import java.util.Collection;
import java.util.Iterator;
/**
* Implements the Iterator on Collection of Collections.
*
* @author DesigningMicroservices.com
*