1.  It is an exit loop. i.e. when we are exit from the loop then only the condition will be checked. If the condition is true then only the codes written with-in it will execute.

1.  It is an entry loop. i.e. when we are entered into the loop then the condition will be checked. If the condition is true then only the codes written with-in it will execute.

2.  Whatever the logic, the codes are written within a do-while loop must execute at least one time.

2.  The codes are written within a while loop execute as per the logic.

3.  “do-while” loop ends with a semi-colon sign(;)

3.   ”while” loop does not use any semi-colon (;).

4.  Syntax:

do
{
       ........   // codes as per logic
       ........
}while(<condition>);

4.  Syntax:

while()
{
       ........   // codes as per logic
       ........
}