java create set with values

1Set<String> set = new HashSet<>(Arrays.asList("a", "b", "c"));

1//Creating HashSet 
2HashSet<String> set = new HashSet(); 
3
4//adding elements  
5set.add("One");    
6set.add("Two");    
7
8//Removing element);
9set.remove("One"); 
10
11//Removing all the elements available in the set  
12set.clear();  

1Set<String> h = new HashSet<>(Arrays.asList("a", "b"));
2

1Set<E> h = new HashSet<E>();