Is not there any specific order to print the key value pair using Set ?

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Java

Follwing code in java giving the outout as
2=two
1=one
6=three

Is not there any specific order to print the key value pair?


HashMap map=new HashMap();
map.put("1", "one");
map.put("2", "two");
map.put("6", "three");

Set keys=map.entrySet();

        for(Object k:keys)
        {
            System.out.println(k);
        }