MapInSideMap.java

import org.junit.Test;

import java.util.HashMap;
import java.util.Map;

public class MapInSideMap {

	@Test
	public void testMap() {
		Map<String, String> map = new HashMap<>();
		Map<String, Map<String, Boolean>> mapMap = new HashMap<>();
		Map<String, Dto> dtoMap = new HashMap<>();


		// you can crate tuple
		// I have created here  : https://github.com/rokon12/tuple/tree/master/src/main/java/com/bazlur/tuple
		// you can store up to 10 value in one tuple
		//eg.
		// Map<String, Tuple10> dtoMap = new HashMap<>();
	}

	//create another class
	public class Dto {
		String aString;
		boolean aBoolean;

		//getter setter
	}

}