HashMap hm=new HashMap(); hm.put("s","s"); hm.put

Difference between Hash Table and Hash Map?

Question Posted / santosh nayak

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Answer Posted / santosh nayak

HashMap hm=new HashMap();
hm.put("s","s");
hm.put("a","a");
hm.put(null,"r");
hm.put(null,"t");
hm.put("e","e");

This is the code where we can allow multiple null key values
in HashMap.

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