Lists in java
Lists in java: What is a list? A list is collection of data.For a real time example consider a list of groceries for a month.You can add,remove,clear,get items from a list.List is actually an interface. There are several lists collections available in java: Array list:Most important and useful type of list LinkedList:Similiar to arraylist with limited functionality Vector:Similiar to arraylist but it is synchronised class. Stack:LIFO(Last in first out) collection Common methods in a list: add(Object e),add(int index,Object e):adds an element(duh :<).For adding element at specific position pass parameter index. remove(int index):remove an element at position clear():clears out the list.Make list empty.