C++ LANGUAGE LOOP CONTROLS PAGE 47

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C++ LANGUAGE LOOP CONTROLS

LOOP CONTROLS 

There may be a situation, when you need to execute a block of 
code several number of times. In general, statements are executed 
sequentially: The first statement in a function is executed first, 
followed by the second, and so on. 
Programming languages provide various control structures that allow 
for more complicated execution paths. 
A loop statement allows us to execute a statement or group of 
statements multiple times and following is the general from of 
a loop statement in most of the programming languages: 
 
C++ programming language provides the following type of loops to 
handle looping requirements. 




Loop Type      Description 
while loop      Repeats a statement or group of statements while a given 
                    condition is true. It tests the condition before executing the loop body. 
for loop      Execute a sequence of statements multiple times 
                    and abbreviates the code that manages the loop variable. 

do...while loop     Like a ‘while’ statement, except that it 
                    tests the condition at the end of the loop body. 
nested loops      You can use one or more loop inside any another 
                    ‘while’, ‘for’ or ‘do..while’ loop.