Is duplicate allowed in hashmap?
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Tell me about the different sorting techniques.
What is top in stack?
Is bubble sort slow?
Is there any difference between int[] a and int a[]?
Explain the term recursive case?
If we try to add duplicate key to the hashmap, what will happen?
How can you represent a linked list node?
Why is it called bubble sort?
How to find the duplicate in an array?
Can treemap key null?
What package is arraylist?
What is sort order?