java hashset functions code example

Example 1: java hashset

HashSet<String> hset = new HashSet<String>();
// Adding elements to the HashSet
hset.add("Apple");
hset.add("Mango");

Example 2: what is hashset in java

- HashSet can have null, order is not guaranteed

Example 3: HashSet h = new HashSet();

HashSet<String> h = new HashSet<String>();