Does arraylist have a tostring?
What is default array size?
How to excel in data structures and algorithms?
What is difference between list and set?
How do you sort an arraylist?
Explain the uses of matrix with an example?
What's the difference between a hashtable and a hashmap?
Differentiate between failfast and failsafe.
Are the expressions arr and &arr same for an array of integers?
How expression trees are gets represented in data structure?
Explain the uses of b+ tree.
What is the application of queue?
What do you mean by general trees?