Is collection a class or interface?
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Does arraylist shrink?
Explain the Stack
What is data type with example?
What is the difference between hashmap and linkedhashmap?
Q#1: An algorithm is made up of 2 modules M1 and M2.If order of M1 is F(n) and order of M2 is g (n) then what is the order of the algorithm. Q # 2 : How many binary trees are possible with 3 nodes? with 4 nodes?
Why is sorting important?
Is quicksort a stable algorithm?
Can arraylist contain null?
What is a priority queue?
What the principle of quick sort and its complexity?
What is difference between list and array list?
How do you sort an arraylist?