java arraylist
import java.util.List; //list abstract class
import java.util.ArrayList; //arraylist class
//Object Lists
List l = new ArrayList();
ArrayList a = new ArrayList();
//Specialized List
List<String> l = new ArrayList<String>();
ArrayList<Integer> a = new ArrayList<Integer>();
//only reference data types allowed in brackets <>
//Initial Capacity
List<Double> l = new ArrayList<Double>(5);
//list will start with a capacity of 5
//saves allocation timeslist array
List<string> list = new List<string>()
{
"Red",
"Blue",
"Green"
};
string output = string.Join(Environment.NewLine, list.ToArray());
Console.Write(output);Array list
import calendar
my_date= datetime.now()
# To get month from date
print('Month: ', my_date.month)
> Month: 7
# To get month from year
print('Year: ', my_date.year)
> Year: 2021
# To get day of the month
print('Day of Month:', my_date.day)
> Day of Month: 10
# to get name of day(in number) from date
print('Day of Week (number): ', my_date.weekday())
> Day of Week (number): 0
# to get name of day from date
print('Day of Week (name): ', calendar.day_name[my_date.weekday()])
> Day of Week (name): MondayCopyright © 2021 Codeinu
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