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
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 following types of loop to handle looping requirements. Click
the following links to check their detail.
Loop control statements change execution from its normal sequence. When execution leaves a scope,
all automatic objects that were created in that scope are destroyed.
C++ supports the following control statements. Click the following links to check their
A loop becomes infinite loop if a condition never becomes false. The for loop is
traditionally used for this purpose. Since none of the three expressions that form the for loop
are required, you can make an endless loop by leaving the conditional expression empty.
using namespace std;
int main ()
for( ; ; )
printf("A Loop .\n");
When the conditional expression is absent, it is assumed to be true. You may have an
initialization and increment expression, but C++ programmers more commonly use the for(;;)
construct to signify an infinite loop.
NOTE: You can terminate an infinite loop by pressing Ctrl + C keys.
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