Are duplicates allowed in hashmap?
How do you initialize an arraylist?
Is arraylist heterogeneous?
How do you sort elements in an arraylist?
Is char array null terminated?
How many types of linked lists are there?
How do you find the length of an arraylist?
Is duplicate allowed in hashmap?
What is default size of hashmap?
Does stringutils isempty check for null?
Can arraylist shrink?
Can treeset contain duplicates?
What does args stand for?
How dynamic arrays are created?
Can I provide array size dynamically?