What is the difference between array and list?
Can map contain duplicate keys?
Will this code give error if I try to add two heterogeneous elements in the arraylist? And why?
Which sorting technique is best in worst case?
Which one is the simplest sorting in data structure?
Which is best array or linked list?
Suppose in an integer array, there is 1 to 100 number, out of one is duplicate, how to find?
What is a list in data structure?
Can we insert null in hashset?
What are the issues that hamper the efficiency in sorting a file?
What does arrays tostring do?
What are arrays give example?
What is the impact of signed numbers on the memory?
Is hashtable fail fast?
What is linked hash set?