#Java - Given a Map with Country Name as key and its capitals as values, Find the name of countries having more than 1 capital ?

Java - Code Samples

Sample 1. Given a Map with Country Name as key and its capitals as values, Find the name of countries having more than 1 capital ?

Map<String,List<String>> capitals = new HashMap();

capitals.put("United States", Arrays.asList("Washington DC"));

capitals.put("Canada", Arrays.asList("Ottawa"));

capitals.put("South Africa", Arrays.asList("Pretoria", "Cape Down", "Bloemfontein"));

      

for(Map.Entry<String,List<String>> entry: capitals.entrySet()){

   if(entry.getValue().size() > 1){

      System.out.println(entry.getKey());

   }

}

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