using System;using System.Threading;namespace MultithreadingApplication {class ThreadCreationProgram {

using System;namespace PolymorphismApplication {class Shape {protected int width, height;public Shape( int a = 0, int b = 0) {

using System;namespace ArrayApplication {class MyArray {double getAverage(int[] arr, int size) {int i;

using System;namespace CalculatorApplication {class NumberManipulator {public void getValues(out int x, out int y ) {

using System;namespace DecisionMaking {class Program {static void Main(string[] args) {/* local variable definition */

using System; public abstract class Vehicle { public abstract void display(); } public class Bus : Vehicle

using System;namespace MySpecifiers{class Demo{protected string name = Website;protected void Display(string str)

using System;namespace MyApplication {class MyClass {static void Main(string[] args) {// n is an array of 5 integers

using System;namespace IndexerApplication {class IndexedNames {private string[] namelist = new string[size];

using System;namespace yiibai {public abstract class Person {public abstract string Name {get;set;}public abstract int Age {

using System;namespace IndexerApplication {class IndexedNames {private string[] namelist = new string[size];

using System;delegate int NumberChanger(int n);namespace DelegateAppl {class TestDelegate {static int num = 10;

using System;using System.IO;namespace DelegateAppl {class PrintString {static FileStream fs;static StreamWriter sw;

using System;namespace SampleApp {public delegate string MyDel(string str);class EventProgram {event MyDel MyEvent;

using System;using System.Collections;namespace CollectionsApplication {class Program {static void Main(string[] args) {

using System;using System.Collections;namespace CollectionsApplication {class Program {static void Main(string[] args) {

using System;using System.Collections;namespace CollectionsApplication {class Program {static void Main(string[] args) {

using System;using System.Collections;namespace CollectionApplication {class Program {static void Main(string[] args) {

using System;using System.Collections;namespace CollectionsApplication {class Program {static void Main(string[] args) {

using System;using System.Collections.Generic;namespace GenericMethodAppl {class Program {static void SwapT(ref T lhs, ref T rhs) {