Category Archives

TreeSet The underlying data structure is balanced tree. Duplicate objects are not allowed. All elements will be inserted, according...

SortedSet It is the child interface set. If we want to represent a group of objects without duplicates, according...

Set It is the child interface of collection. If insertion order is not required & duplicate objects are not...

Stack It is the child class of vector & contains only or constructor. Stack s =new stack () Method...

Vector The underlying data structure is resizable or growable array. Insertion order is preserve. Duplicate objects allow. Null insertion...

LinkedList The underlying data structure for LinkedList is double LinkedList. Insertion order is preserve. Duplicate objects are allowed. Heterogeneous...

Array List The underlying  data structure is resizeable Array or growable Array. Insertion order is preserved. Duplicate objects are...

Vector The underlying data structure is resizable or growable Array. Insertion order is preserve. Duplicate objects are allow. Null...

Limitations of Object Array:- ⇒ Arrays are fixed in size i.e once we created an array there is no...