Answer / namrata

In while first condition is checked if condition is not true
then while don't work and not give output but in do while
loop condition is checked when loop is worked at one time
and if the condition is not true then at least one time it
gives output it is the main difference between while & do
while loop.

Answer / mahfooz

while(//condition checking)
{//if condition is true go inside loop.and its first check
condition then go inside loop.
}
but in do{
}while(//condition checking)..
it wiil go in loop first and then check condition..
it will go iside loop atleast one time..but in while it
may not go even in single time..

Answer / ashok

(1)while loop is known as entry control loop.
and do while is known as exit control loop.

(2)in while loop first check given the condition & if it is
true then execute all statement of while loop.if it is
false then terminate control from loop.
and in do while loop first execute all statement of it and
then check condition, if yes it is true, then again do
while loop will execute, if it is false then terminate
control from loop,put semicolon after while statement.

Answer / shwetha karkera

In WHILE STATEMENT, the condition is tested first, and then
the statements are executed if the condition turns out to
be true. hence, it is calles as PRE-TESTED LOOPING
CONSTRUCT.

In DO WHILE STATEMENT,the statements are executed for the
first time and then the conditions are tested. if the
condition turns out to be true,then the statements are
executed again.hence it is called as POST-TESTED LOOPING
CONSTRUCT.

SYNTAX FOR WHILE STATEMENT:
while(condition)
{
statement;
}


SYNTAX FOR DO WHILE STATEMENT:
Do
{
statement;
}
while(condition)

Answer / vaibhav

the while statement first check the condition & then
exicute a statement & do while first exicute a stat. & then
check condi. . do while loop can exicute one time even
condi. is false

Answer / ishwor pandey

in while first conditionis checked if condition is not true

write a program to convert a expression in polish notation(postfix) to inline(normal) something like make 723+* (2+3) x 7 (not sure) just check out its mainly printing expression in postfix form to infix.

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