C# Inheritance Example Program
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- Type of Inheritance in C#. By Dinesh Thakur Category: OOP's in C#. Here is an example program to understand the concept of inheritance. Single inheritance.
A train made of cars in C service at 86th Street, bound for 168th Street. The AA and CC services were the predecessors to the current C service. And AA service began on September 10, 1932 with the opening of the. The (IND) used single letters to refer to express services and double letters for local services.
The ran express and the AA ran local, from to, known at the time as Hudson Terminal. The AA ran at all times, and it was extended to during nights and on Sundays when the did not run. When the Eighth Avenue Line was extended to on February 1, 1933 the AA was extended there, but only during the times when the didn't run; it continued to terminate at when the did run. The C and CC services began operation on July 1, 1933 when the opened. The CC provided local service between and Hudson Terminal during rush hours, and was extended to during non-rush hours.
It replaced the AA as Eighth Avenue Local. The C ran express, from 205th Street to in Brooklyn during rush hours. Beginning August 19, 1933, C service was cut back from Bergen Street, but started operating during non-rush hours. At the same time, CC service was cut back from 205th Street during non-rush hours. On January 1, 1936, C service was extended to.
On April 9, 1937, C service was extended to. After July 1, 1937, a few C trains continued to run to Bergen Street southbound in the AM rush hour and northbound in the PM rush hour. Also on the same date, weekend C service was discontinued, and CC service was extended to 205th Street to compensate.
Sixth Avenue Subway Will Be Opened to the Public at 12-01 A.M. Sunday, Dec 15, 1940 On December 15, 1940, the opened. Two new services, the BB (later ) and, began running. These lines ran on the Eighth Avenue Line in upper Manhattan, switching to the Sixth Avenue Line in Midtown. The BB ran local to 168th Street during rush hours.
The D joined the C as the peak direction Concourse Express. CC trains now ran between Hudson Terminal and Bedford Park during rush hours and on Saturdays and during other times, the made local stops in the Bronx, replacing CC service. On the same date, limited morning rush hour service began between 205th Street, Bronx and, Brooklyn, making local stops on the. AA service was reinstated during this time, but only during off-peak hours (non-rush hours, late Saturday afternoons and Sundays) when the BB and CC did not operate.
The CC would provide Eighth Avenue Line local service during rush hours, with the AA replacing it during off-peak hours, mostly unchanged until 1988. Beginning October 10, 1944, C trains no longer ran on Saturdays. On October 24, 1949, C express service was discontinued. Additional D service was added to offset this loss. The CC, which only ran during rush hours, began terminating at Mondays to Fridays, and on Saturdays CC service continued to operate to Hudson Terminal. On December 29, 1951, Saturday CC service was discontinued.
Inheritance In C# Example Programs
Weekday CC service returned to its previous terminal at Hudson Terminal on October 30, 1954. 1967-1979 bullets On August 30, 1976, the CC train replaced the train as the rush-hour local along the and, running from in Queens through Brooklyn and Manhattan to in the Bronx, making it the only service to run through all four boroughs served by the subway. The HH was renamed CC. This shuttle ran between and Rockaway Park during off-peak hours, except late nights.
With this, all daytime service to/from Rockaway Park was named CC. Late nights, the shuttle ran between, Rockaway Park and via, and was labeled A. On August 28, 1977, late night AA service was eliminated; the now runs fully local at night.
1985-1988 K bullet On December 10, 1988, the designation was discontinued; the service was merged into the C, which now runs at all times except late nights. The C ran from Bedford Park Boulevard to Rockaway Park rush hours, to Euclid Avenue middays, and from 145th Street to World Trade Center during evenings and weekends. The A now ran express in Brooklyn during middays and the B was extended to 168th Street during middays and early evenings. On October 23, 1992, rush hour C service was cut back from Rockaway Park – Beach 116th Street to Euclid Avenue.
Now, five A trips in each direction run from Manhattan to Rockaway Park during rush hours, with the (renamed from H to S) operating between Broad Channel and Rockaway Park at all times. Beginning April 1995, C service was extended to during middays and weekends as construction on the Manhattan Bridge cut B service from Manhattan. In November 1995, midday service was cut back to 145th Street after B service to 168th Street was restored. On March 1, 1998, the and C, which both ran local along Central Park West, switched northern terminals, ending the connection between the C and the Bronx.
Instead of alternating between three different terminals depending on the time of day, all C service now terminates at 168th Street. Starting in April 1999, C trains were extended to Euclid Avenue on evenings and weekends; the C now runs local in Brooklyn and Manhattan, and the express, at all times except late nights. In the wake of the, World Trade Center station was temporarily not usable as a terminal for the E. C service was suspended until September 24, 2001.
Local service along was replaced by the and, and the was extended from to replacing C service in Brooklyn. On January 23, 2005, a fire at the signal room crippled A and C service. C service was suspended until February 2 and was replaced by the A, B, D, E, and along different parts of its route. Initial assessments suggested that it would take several years to restore normal service, but the damaged equipment was replaced with available spare parts, and normal service resumed on April 21.
Maintenance and rider issues In August 2012, the rated the C train the worst of the city's subway services for the fourth straight year. No other service has ranked worst for more than three years in a row. The group found that the C performed worst in three of the six categories in its annual State of the Subways Report Card: amount of scheduled service, interior cleanliness, and breakdown rate. It also ranked next-to-worst in car announcement quality, after the, but performed above average in regularity of service and crowding.
Called the C the 'least loved of New York City subway lines', citing its fleet of, which are the oldest cars in the system at 53 years old. Improvements Since 2013, some cars have operated on this service, first during the summer months, then permanently; most of the R32s were transferred to the mostly outdoor for the same reason. By May 2015, more than half of the C train's fleet utilized R160As. Most trains on the C are only 480 feet (146 m) long (except for the summers of 2011 and 2012, when trains ran on this service while R32s were moved to the A to save their older air conditioning units from having to work underground at all times ) due to low ridership on the service.
This contrasted to those on the rest of the 'B' Division (except for the and G train), which are 600 feet (183 m) long. After several failed proposals to permanently lengthen C trains as ridership increased, some trains were again assigned to the C in December 2017 while most of the R32s that ran on the C were moved to the A. Route Service pattern The following table shows the lines used by the C: Line From To Tracks local all local Stations For a more detailed station listing, see the articles on the lines listed above. Station service legend Stops all times Stops all times except late nights Stops weekdays only Station closed Stops rush hours only (limited service) Stops rush hours/weekdays in the peak direction only Station is compliant with the ↑ Station is compliant with the in the indicated direction only ↓ Elevator access to mezzanine only Stations Subway transfers Connections to ↓ Station is in the southbound direction only.
, , at , at at ( at ) ( at ) at Connection to at via , at bus to References. Korman, Joe (December 16, 2017). December 11, 2015. Retrieved January 19, 2016.
Retrieved 2016-06-09. Retrieved 2016-06-19. The New York Times. July 1, 1933.
Retrieved June 20, 2016. The New York Times. December 15, 1940. Retrieved June 20, 2016. New York Times. October 20, 1949.
Retrieved February 20, 2016. New York Times. October 18, 1954. Retrieved February 20, 2016.
New York City Transit Authority. Retrieved October 23, 2016. Flickr - Photo Sharing!. Retrieved 2016-06-09. Flickr - Photo Sharing!. Retrieved June 17, 2016.
Flickr - Photo Sharing!. Retrieved June 17, 2016.
New York City Transit. Retrieved October 23, 2016. The New York Times.
January 25, 2005. ^ Grynbaum, Michael M. (August 26, 2011). The New York Times. Retrieved August 26, 2011. Retrieved August 1, 2012. Barone, Vincent (2017-12-18).
Retrieved 2017-12-19. June 25, 2017.
Retrieved July 1, 2017. External links Wikimedia Commons has media related to. (PDF). Rapid Film.
Retrieved June 25, 2017. MTA NYC Transit –.
Background In this article we will learn about one of the most reusable object oriented features of C#, inheritance. We will learn about inheritance from the basics because I have written this article focusing on students and beginners. Before proceeding further please refer to my previous articles for a better understanding. What Inheritance is Acquiring (taking) the properties of one class into another class is called inheritance.
Inheritance provides reusability by allowing us to extend an existing class. The reason behind OOP programming is to promote the reusability of code and to reduce complexity in code and it is possible by using inheritance. The following are the types of inheritance in C#.
The inheritance concept is based on a base class and derived class. Let us see the definition of a base and derived class.