What is the use of heap sort?
“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?
What is a class user?
What is map entry?
What is the difference between arraylist and hashmap?
For searches. Which one is most preferred: array list or linked list?
Can you please explain the difference between string and an array?
How do I sort a hashmap key?
State the difference between queues and linked lists?
How does the bubble sort work?
Is array of data structure?
What is the complexity of selection sort?
Why is data structure used?