Senior .Net Developer Question: Download Questions PDF
Tell us the difference between the while and for loop. Provide a .NET syntax for both loops?
Answer:
Both loops are used when a unit of code needs to execute repeatedly. The difference is that the for loop is used when you know how many times you need to iterate through the code. On the other hand, the while loop is used when you need to repeat something until a given statement is true.
The syntax of the while loop in C# is:
while (condition [is true])
{
// statements
}
The syntax of the while loop in VB.NET is:
While condition [is True]
' statements
End While
The syntax of the for loop in C# is:
for (initializer; condition; iterator)
{
// statements
}
The syntax of the for loop in VB.NET is:
For counter [ As datatype ] = start To end [ Step step ]
' statements
Next [ counter ]
The syntax of the while loop in C# is:
while (condition [is true])
{
// statements
}
The syntax of the while loop in VB.NET is:
While condition [is True]
' statements
End While
The syntax of the for loop in C# is:
for (initializer; condition; iterator)
{
// statements
}
The syntax of the for loop in VB.NET is:
For counter [ As datatype ] = start To end [ Step step ]
' statements
Next [ counter ]
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