Loop: repeat the same or similar code is repeatedly executed at regular
Reduce code redundancy maintainable extensible
while(bool)
{
...;
}
Code blocks can break or interrupt continue
break: break the whole cycle
continue: break the cycle of this time
do
{
...;
}while(bool)
To perform a code block, then the next cycle is determined whether or not
for(int i=0;i<Length;i++)
{
...;
}