Project translated automatically. Log in or register, to view the original 1 labs.1.1Realize the simplest calculator that processes the line commands of the type "a opera b" where a,b - substantial numbers, opera - one of the characters of operations +, -, *, /,^.If the first operand is not specified, then instead use the result of the previous action.1.2 A broken multi-angle on the flat is set by the coordinates of its heights.Find his area.Instructions: break the multi-angle into N triangles and find the area of each triangle separately.1.3 The The assigned two-dimensional mass (not explicitly square) to turn by 90 degrees on the hour shell.Create a “data” class.The internal representation of a date is three whole numbers that specify a day, a month, a year.To implement class methods (static) and implementation methods (not static) -to create dates on the given three whole numbers (with checking on unacceptable values) -comparation methods of dates on the equality, as well as on the "more" and "lower" methods of the number of days dividing the two given dates.Create an arbitrary class in which to add the method of determining the day of the week and re-definite the method toString() to extract the date in the format "d.mm.ggg-day_week".Writing the method for sorting the list is given first by year, then by month.Write the method that in the Map collection counts the number of unique values (without counting repetitions) in the attached file is LAB 2.3 (variant 3)

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