//Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. for (int i = 0; i < nums.length; i++) { for (int j = i + 1; j < nums.length; ...

List<String> l=new ArrayList<String>();//List is an interface-->so it cannot be instantiated directly-->AL is a concrete class that implements List(interface) //So, we create an AL obj and store its ...