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import java.util.HashMap;
import java.util.Map;
public class Test {
public static void main(String[] args) {
Map<String, String> map1 = new HashMap<String, String>();
map1.put("hey1","val1");
map1.put("hey2","val2");
map1.put("hey3","val3");
map1.put("hey4","val4");
Map<String, Map<String, String>> map0 = new HashMap<String, Map<String, String>>();
map0.put("0",map1);
map0.put("1",map1);
System.out.println(map0.get("0").get("hey2"));
}
}
Map <String, String>map1 = new HashMap<String, String>();
map1.put("hey1","val1");
map1.put("hey2","val2");
map1.put("hey3","val3");
map1.put("hey4","val4");
Map map0 = new HashMap();
map0.put("0",map1);
map0.put("1",map1);
HashMap hey2 = (HashMap)map0.get("0");
String resultHey2 = (String)hey2.get("hey2");
System.out.println("The value of the map is:" + resultHey2);
HashMap hey4 = (HashMap)map0.get("1");
String resultHey4 = (String)hey4.get("hey4");
System.out.println("The value of the map is:" + resultHey4);