Tell me the difference between the character array and a string.
Which sorting algorithm is used in collections sort?
How memory is reserved using a declaration statement in data structure?
Is queue fifo or lifo?
Are collections thread safe?
What is the method to find the complexity of an algorithm?
Why is the isempty() member method called?
Different Types of pattern?
What are the standard ways in which a graph can be traversed?
Is it necessary to sort a file before searching a particular item ?
What is indexing an array?
What is the complexity of selection sort?
How does hashset work internally in java?