What is a while loop give example and syntax?

What is a while loop give example and syntax?

Syntax. The syntax of a while loop in C programming language is − while(condition) { statement(s); } Here, statement(s) may be a single statement or a block of statements. The condition may be any expression, and true is any nonzero value. The loop iterates while the condition is true.

What do you mean by loop in a flowchart?

Flowcharts of Loops A loop refers to a set of instructions that is repeated as long as a criterion holds. The two types of loops are for loops and while loops.

How do you write a while loop algorithm?

Writing algorithms using the while-statement

1. Assignment statement: variable = expression ;
2. Conditional statements: if ( condition ) statement if ( condition ) statement1 else statement2.
3. Loop (while) statements: while ( condition ) { statement1 statement2 }

How do you represent a loop in a sequence diagram?

Below are the steps on how to represent a loop:

1. Create a sequence diagram.
2. Place two objects on the sequence diagram.
3. Draw a message from one object to the other.
4. Draw a note over the message and add a description (for example, “Messages 2 through 4 are repeated.”)

What are the three steps in writing a while loop?

Remember these 3 steps to writing a loop:

1. Initialize the loop variable (before the while loop)
2. Test the loop variable (in the loop header)
3. Change the loop variable (in the while loop body at the end)

Do while loop in C with example?

There is given the simple program of c language do while loop where we are printing the table of 1.

• #include
• int main(){
• int i=1;
• do{
• printf(“%d \n”,i);
• i++;
• }while(i<=10);
• return 0;

How do you write a flowchart?

How to Make a Flowchart in 7 Simple Steps

1. Step #1: Know the purpose of your flowchart.
2. Step #2: Start with a template.
3. Step #3: Add shapes and symbols.
4. Step #4: Connect your shapes with lines and arrows.
5. Step #5: Split paths or add decisions.
6. Step #6: Customize your flowchart’s appearance.

Which loop is best for or while loop?

Use a for loop when you know the loop should execute ntimes. Use a while loop for reading a file into a variable. Use a while loop when asking for user input. Use a while loop when the increment value is nonstandard. Thanks for reading. If you have a different set of rules for picking between the two, then share them in the comments below.

How to write this while loop as a for loop?

for ( ;condition;decrement/increment) Continue Reading. The variable you want to use in while loop is to be initialized first and then you can use it in the while loop and write the body of your loop then decrement/increment the variable accordingly. while loop format -.

What is the syntax of while loop?

Like all loops,”while loops” execute blocks of code over and over again.

What is an example of a while loop?

The while loop is used to repeat a section of code an unknown number of times until a specific condition is met. For example, say we want to know how many times a given number can be divided by 2 before it is less than or equal to 1.