The document discusses different repetition structures in programming including while, do/while, and for loops. It explains that a while loop checks the condition at the beginning, and the loop body may or may not execute depending on the condition. A do/while loop is similar but checks the condition at the end, so the body always executes at least once. A for loop also checks the condition at the beginning, and allows initialization and updating of a counter variable to control the number of iterations.

1. REPETITION STRUCTURES Lecture 1.10
Prepared by: Mian Saeed Akbar

2. REPETITION STRUCTURES
Repetition Structures
while structure
 Makes loop continuation test at beginning
 Loop body may or may not executes depending on the condition
do/while structure
 Similar to while structure
 Makes loop continuation test at end, not beginning
 Loop body executes at least once
for structure
 Makes loop continuation test at beginning
 Loop body may or may not executes depending on the condition
while ( condition )
{
statement
}
do {
statement
} while ( condition );
for(initialization; condition; update)
{
statement
}

3. Thank you
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