Decision Making and Looping Questions

1.) What are the Decision making statements in C#?

• If statement
• Switch statement
• Conditional operator statement

2. ) What is the Syntax of Switch statement?

switch(expression)

{

case 1:

...........statements.........

break;

case 2:

...........statements.........

break;

default:

...........statements.........

break;

}

3. ) What is the Syntax of conditional operator?

conditional expression ? expression 1 : expression 2

More Details...

4. ) What are the Looping statements in C#?

•  While statement
• do statement
• for statement
• foreach

5. ) What are the ways to create an infinite loop?
There are some ways to create an  infinite loop.

• While 
• do 
• for

Ex.

while(1)
{
console.writeLine("Hello");
console.ReadLine();
}

   
6. ) What is the Break statement in C# ?
Break statement  is the cause to terminates the loop.
More Details...

7. ) What is the Continue statement in C# ?
 Continue is the cause to continue the loop with the next iteration after skipping any statement in between.The continue statement enable us to restart the current loop.
More Details...

8. ) What is the goto statement in C# ?
This statement uses the concept of level.A label is an valid c# variable name ending with a colon.
More Details...

9. ) What is Difference between for and foreach statement in C# ?
The foreach statement is similar to the for statement but implemented differently

• In execution of for loop required three step (initialization,text-condition,increment)but in foreach statement required two step(type ,variable)
• foreach statement automatically detects the boundaries of the collection being iterated over but for loop does not detect automatically. 

More Details...
10. ) Can i use switch statement instead of if-else statement?
Yes.