Adv C#
Programming

1. Introduction to .NET and C# 2. Points to keep in mind for pyramid 3. C# Pyramid Program Example for type 1 4. C# Pyramid Program Example for type 2 5. C# Pyramid Programs on Type 3 6. C# Pyramid Programs of type 4 7. C# Pyramid Programs of type 5 8. Classes and Objects 9. Recursive functions 10. Constructors in C# 11. Destructor 12. Method Overloading 13. Constructor Overloading 14. Inheritance in C# 15. Interface in C# 16. Method Overriding 17. readonly and sealed keyword in C# 18. Exception Handling 19. Delegates 20. Multicast Delegates 21. Events 22. Structure 23. Threads 24. Working with Threads 25. Thread Life Cycle 26. Introducing Multithreading 27. Advantage and limitation of multithreading 28. Thread priority 29. Properties 30. Collections 31. ArrayList Class 32. Hastable Class 33. SortedList 34. Stack 35. Queue Class 36. Generics 37. Unsafe code 38. C# Networking 39. Prgs for Science and Engineer 40. Prg to use alias 41. Prg to count minors and majors using array 42. Prg for sum up of two array in third array 43. Prg to show boxing and unboxing 44. Prg for type casting from byte to int 45. Prg to find area of circle 46. Prg to find cube root of entered number 47. Prg for digit manipulation 48. Prg for printing a reverse triangle 49. Prg to show case and goto fall through 50. Prg to show use of foreach loop 51. Prg for adding 2 numbers 52. Prg to show jagged array 53. Prg to show different methods of Array 54. Prg to print number Pyramid 55. Prg to show entered string is palindrome or not 56. Prg to show entered number is prime or not 57. Prg to show different methods of StringBuilder 58. Prg to show different methods of String 59. Prg for appending a string using StringBuilder 60. Prg to show appending a string with numeric type data using StringBuilder 61. Prg to show use of ArrayList 62. Prg to pass an array as a parameter to a function for finding out a prime number 63. Prg to show the constant member 64. Prg for showing destructor 65. Prg for sum up and reversing the entered number 66. Prg for enum type conversation 67. Prg to show sum of first fifty even and odd number 68. Prg to find the factorial of entered number 69. Prg for iterating each element of array using foreach loop 70. Prg to show array position and value 71. Prg to show how to insert and remove string using StringBuilder 72. Prg to show how to join the string 73. Prg to show the value of sin 90 74. Prg to enter two number and find max 75. Prg to show padding 76. Prg to show entered number is prime or not 77. Prg to show private constructor 78. Prg to show how to use getter and setter property 79. Prg using out parameter 80. Prg to count the number of spaces and words in a String 81. Prg to show how to use Split method 82. Prg to create binary triangle 83. Prg to create dule star triangle 84. Prg to create triangle 85. Prg to show use of EndsWith and StartsWith method of string 86. Prg for static constructor 87. Prg to show how to use insert method 88. Prg to sort a string 89. Prg to store student name and roll no using structure 90. Prg to show how to use delegate 91. Prg to calculate depreciation 92. Prg for calculating Economic order cost and time between order 93. Prg to find radius of circle 94. Prg to sum up odd numbers from 0 to 20 95. Prg to calculate simple interest 96. Prg to categorise student on base of there marks range where marks are stored in array 97. Prg to create triangle on console screen 98. Prg to print sin theta, cos theta and tan theta from 0.1 to 1.0 angle in radians 99. Prg to demonstrate variables 100. Prg to illustrate the differences between int and double 101. Prg to show exception handling using try.. catch block 102. Prg to demonstrate how to use interface 103. Prg to print number triangle 104. Prg to demonstrate structure 105. Prg to test exception 106. Prg to count number of spaces and words in a entered string 107. Prg to demonstrate ref parameter 108. Prg to print a matrix table from 1 to 10 109. Prg to display 2 D array elements position in matrix form 110. Prg to count number of adult and children 111. Prg to print pascal triangle 112. Prg to demonstrate stringbuilder and its method 113. Prg to reverse a string 114. Prg for string sorting 115. Interview Question & Answer part 1 116. Interview Question & Answer part 2 117. Interview Question & Answer part 3 118. Interview Question & Answer part 4 119. Interview Question & Answer part 5 120. Interview Question & Answer part 6 121. Interview Question & Answer part 7 122. Interview Question & Answer part 8 123. Interview Question & Answer part 9 124. Interview Question & Answer part 10 125. Interview Question & Answer part 11 126. Interview Question & Answer part 12 127. Interview Question & Answer part 13 128. Interview Question & Answer part 14 129. Interview Question & Answer part 15
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Threads tutorials

  • A thread is defined as the execution path of program. You can define a unique flow of a control in a program, using a thread.

  • Threads are used to run applications that perform large and complex computations.

  • The advantage of threading is the ability to create applications that use more than one thread of execution.

  • For example, a process can have a user interface thread that manages interactions with the user and worker threads that perform other tasks while the user interface thread waits for user input.

  • The processes include tasks such as writing and printing a document, installing software and displaying the date and time on the status bar. All these processes are handled by separate threads.

  • A process that is executed using one thread is known as a single-threaded process, where a process is running instance of a program.

  • A single threaded application can perform only one task at a time. You have to wait for one task to complete before another task can start.

  • To executed more than one task at a time you can create multiple threads in a program. A process that creates two or more thread is called a multithreaded application.

  • For example within a browser, you can print a page in the background while you scroll a page. Similarly you can play audio file and watch animated image at same time.

  • Each thread in a multithreaded process runs at the same time and maintains a different execution flow.

 

Thread model and Main thread

  • A program uses threads to increase the efficiency of a CPU by preventing wastage of the CPU cycles. In single threaded systems, an approach called event loop with polling is used.

  • Polling is a process in which a single event is executed at a time. In the event loop with polling approach, a single thread runs in an infinite loop till its operation is completed.

  • When an operation is completed, the event loop is dispatches control to the appropriate event-handler.

  • No more processing can happen in the system until the event handler returns. This result in the wastage of CPU time.

  • In the single threaded application if the thread is suspended from the execution because it is waiting for a system resources, the entire program stops executing.

  • This above limitation can be overcome by using multithreading, which eliminates the event loop with polling approach.

  • In multithreading, the time for which a thread waits for the CPU time can be utilized to perform another task.

  • The System.Threading.Thread class is used to construct and access individual threads in a multithreaded application.

  • The first thread to be executed in a process is called the main thread. The main thread is created automatically on the startup of C# program executing.

  • The thread which are created exclusively using the Thread class are called as child threads, where the main thread is called a parent thread or a primary thread.

  • You can access the thread using CurrentThread property of the Thread class.

  • Below example shows the execution of main thread using its CurrentThread property in Thread class.


 

Example: Csharp program to set the thread name

Sam Madam 

// Csharp program to set the thread name

using System;

using System.Threading;

class MainThraeadExample

{

static void Main(string[] args)

{

Thread th=Thread.CurrentThread;

th.Name = "MainThread";

Console.WriteLine("The current thread: {0}", th.Name);

}

}

 

Output

The current thread: MainThread

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