C# Loop Constructs

The loop constructs is used to execute a block of code until the condition becomes expired. Loop constructs in C#, saves the programmer from writing code multiple times that has repetitive in nature. If you have to print your name ten times then there is no need to write code for printing ten times. Just write it once and executes within loop constructs ten times.

C# provides various loop constructs as for loop, do while loop, while loop and foreach loop. However, you can use goto statements also for creating loop.

List of Contents

C# Loop Constructs

Chapter 1: while loop
Chapter 2: do-while loop
Chapter 3: for-loop
Chapter 4: foreach
Chapter 5: Examples

Comments

Write a program to enter a number from 1 to 7 and display the corresponding day of the week. Hint: 1 = Monday ..

using System; class sevenday { public static void Main() { int num1; Console.WriteLine("Enter Number From 1 - 7 to find the correponding day"); num1=Convert.ToInt32(Console.ReadLine()); switch(num1) { case 1: Console.WriteLine(" 1 is Monday"); break; case 2: Console.WriteLine("2 is tuesday"); break; case 3: Console.WriteLine("3 is wednesday"); break; case 4: Console.WriteLine("4 is Thrusday"); break; case 5: Console.WriteLine("5 is friday"); break; case 6: Console.WriteLine("6 is saturday"); break; case 7: Console.WriteLine("7 is sunday"); break; default: Console.WriteLine(" Your Number is Invalid Please Enter Correct Number"); break; } } }

Swaping two number using third variable by making object

using System; class Mark { int a,b,temp; \\ taking three variable. public void Swapnum() \\ here i take input on this function { Console.WriteLine("Enter your 1st number"); a=Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Enter your 2st number"); b=Convert.ToInt32(Console.ReadLine()); } public void Swapsum() { temp=a; \\ stroing value of 'a' on temp a=b; \\stroing value of 'b' on 'a' b=temp; \\stroing value of 'temp' on 'b' } public void Display() { Console.WriteLine("your swap number is --: {0}",a); Console.WriteLine("your swap number is --: {0}",b); } public static void Main() { Mark av=new Mark(); av.Swapnum(); av.Swapsum(); av.Display(); } }

C# Statements

There are various basic things in C# that you need to know. These are very small but too effective. These are called statements in C#. Without covering statements in C#, you can’t be a good programmer. In C# programming, there is various statements as block, empty, goto-label, break, continue, return, throw, checked, unchecked, lock, using etc. These are small but give powerful control you to write your program. List of Contents C# Statements Chapter 1: Block Chapter 2: Empty Chapter 3: Goto-label Chapter 4: Break Chapter 5: Continue Chapter 6: Return Chapter 7: Throw Chapter 8: Checked Chapter 9: Unchecked Chapter 10: Lock Chapter 11: Using Chapter 12: Enumeration Chapter 13: Structure Chapter 14: Examples

Aav kumar

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